Common Weakness Enumeration
CWE-119
DiscouragedImproper Restriction of Operations within the Bounds of a Memory Buffer
Abstraction: Class · Status: Stable
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
18088 vulnerabilities reference this CWE, most recent first.
CVE-2026-90577 (GCVE-0-2026-90577)
Vulnerability from cvelistv5 – Published: 2026-09-13 18:30 – Updated: 2026-09-15 13:59 X_Open Source
VLAI
EPSS
VEX
Title
GPAC MP4Box base_scenegraph.c gf_node_get_field heap-based overflow
Summary
A vulnerability was detected in GPAC up to f1219cde. Affected by this vulnerability is the function gf_node_get_field of the file scenegraph/base_scenegraph.c of the component MP4Box. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version abi-16.23 addresses this issue. The patch is named 49dee5cad329cfed310c1682703df7daa47df31a. The affected component should be upgraded.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:42 UTC
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/403162 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/403162/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-90577 | third-party-advisory |
| https://vuldb.com/submit/913216 | third-party-advisory |
| https://github.com/gpac/gpac/issues/3816 | issue-tracking |
| https://github.com/r1ck9-2q/cve_summit/blob/main/… | exploit |
| https://github.com/gpac/gpac/commit/49dee5cad329c… | patch |
| https://github.com/gpac/gpac/releases/tag/abi-16.23 | patch |
| https://github.com/gpac/gpac/ | product |
Impacted products
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CVE-2026-90572 (GCVE-0-2026-90572)
Vulnerability from cvelistv5 – Published: 2026-09-13 17:15 – Updated: 2026-09-15 13:59
VLAI
EPSS
VEX
Title
davenardella snap7 s7_micro_client.cpp opUpload memory corruption
Summary
A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7_micro_client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:50 UTC
CWE
- CWE-119 - Memory Corruption
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/403157 | vdb-entrytechnical-descriptionmitigation |
| https://vuldb.com/vuln/403157/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-90572 | third-party-advisory |
| https://vuldb.com/submit/912711 | third-party-advisory |
| https://github.com/davenardella/snap7/issues/30 | exploitissue-tracking |
| https://github.com/davenardella/snap7/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| davenardella | snap7 |
Affected:
1.4.0
Affected: 1.4.1 Affected: 1.4.2 Affected: 1.4.3 cpe:2.3:a:davenardella:snap7:*:*:*:*:*:*:*:* |
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CVE-2026-87933 (GCVE-0-2026-87933)
Vulnerability from cvelistv5 – Published: 2026-09-10 00:15 – Updated: 2026-09-10 19:06
VLAI
EPSS
VEX
Title
DaveGamble cJSON cJSON_Utils.c cJSONUtils_MergePatch use after free
Summary
A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 17:51 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/401815 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/401815/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-87933 | third-party-advisory |
| https://vuldb.com/submit/911136 | third-party-advisory |
| https://github.com/DaveGamble/cJSON/issues/1060 | exploitissue-tracking |
| https://github.com/DaveGamble/cJSON/pull/1065 | issue-trackingpatch |
| https://github.com/DaveGamble/cJSON/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| DaveGamble | cJSON |
Affected:
1.7.0
Affected: 1.7.1 Affected: 1.7.2 Affected: 1.7.3 Affected: 1.7.4 Affected: 1.7.5 Affected: 1.7.6 Affected: 1.7.7 Affected: 1.7.8 Affected: 1.7.9 Affected: 1.7.10 Affected: 1.7.11 Affected: 1.7.12 Affected: 1.7.13 Affected: 1.7.14 Affected: 1.7.15 Affected: 1.7.16 Affected: 1.7.17 Affected: 1.7.18 Affected: 1.7.19 cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:* |
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CVE-2026-87931 (GCVE-0-2026-87931)
Vulnerability from cvelistv5 – Published: 2026-09-09 23:45 – Updated: 2026-09-16 21:46
VLAI
EPSS
VEX
Title
Behavioral Technology Group Pavlok Behavioral Conditioning Wearable Apple Notification Center Service Event buffer overflow
Summary
A vulnerability has been found in Behavioral Technology Group Pavlok Behavioral Conditioning Wearable up to 20260707. Impacted is an unknown function of the component Apple Notification Center Service Event Handler. The manipulation leads to buffer overflow. The attack must be carried out from within the local network. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.6 (Critical)
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 13:38 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/401814 | vdb-entry |
| https://vuldb.com/vuln/401814/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-87931 | third-party-advisory |
| https://vuldb.com/submit/881885 | third-party-advisory |
| https://doi.org/10.13140/RG.2.2.35058.88009 | broken-link |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Behavioral Technology Group | Pavlok Behavioral Conditioning Wearable |
Affected:
20260707
cpe:2.3:a:behavioral_technology_group:pavlok_behavioral_conditioning_wearable:*:*:*:*:*:*:*:* |
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CVE-2026-86716 (GCVE-0-2026-86716)
Vulnerability from cvelistv5 – Published: 2026-09-08 18:45 – Updated: 2026-09-08 19:08
VLAI
EPSS
VEX
Title
Cesanta mJS mjs_tok.c skip_spaces_and_comments heap-based overflow
Summary
A vulnerability was determined in Cesanta mJS up to 1.26. Affected is the function skip_spaces_and_comments of the file src/mjs_tok.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 19:07 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399773 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399773/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86716 | third-party-advisory |
| https://vuldb.com/submit/910881 | third-party-advisory |
| https://vuldb.com/submit/910882 | third-party-advisory |
| https://github.com/cesanta/mjs/issues/324 | exploitissue-tracking |
| https://github.com/cesanta/mjs/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cesanta | mJS |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 Affected: 1.13 Affected: 1.14 Affected: 1.15 Affected: 1.16 Affected: 1.17 Affected: 1.18 Affected: 1.19 Affected: 1.20 Affected: 1.21 Affected: 1.22 Affected: 1.23 Affected: 1.24 Affected: 1.25 Affected: 1.26 cpe:2.3:a:cesanta:mjs:*:*:*:*:*:*:*:* |
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CVE-2026-86514 (GCVE-0-2026-86514)
Vulnerability from cvelistv5 – Published: 2026-09-08 02:45 – Updated: 2026-09-11 20:34 X_Open Source
VLAI
EPSS
VEX
Title
vgmstream txth-txtp txth.c sscanf stack-based overflow
Summary
A weakness has been identified in vgmstream up to r2117. This issue affects the function sscanf of the file src/meta/txth.c of the component txth-txtp. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 4669d37a6af94866f6f0628678f9f90d46954e8b. To fix this issue, it is recommended to deploy a patch.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:02 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399668 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399668/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86514 | third-party-advisory |
| https://vuldb.com/submit/908369 | third-party-advisory |
| https://github.com/vgmstream/vgmstream/issues/1972 | exploitissue-tracking |
| https://github.com/vgmstream/vgmstream/pull/1956 | issue-trackingpatch |
| https://github.com/vgmstream/vgmstream/commit/466… | patch |
| https://github.com/vgmstream/vgmstream/ | product |
Impacted products
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CVE-2026-86510 (GCVE-0-2026-86510)
Vulnerability from cvelistv5 – Published: 2026-09-08 01:15 – Updated: 2026-09-08 16:04
VLAI
EPSS
VEX
Title
D-Link DIR-822A L2TP Control Message tunnel_set_params out-of-bounds write
Summary
A vulnerability has been found in D-Link DIR-822A A_101. Affected is the function tunnel_set_params of the component L2TP Control Message Parser. Such manipulation leads to out-of-bounds write. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Severity
9.9 (Critical)
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 16:04 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399663 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399663/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86510 | third-party-advisory |
| https://vuldb.com/submit/906300 | third-party-advisory |
| https://tzh00203.notion.site/D-Link-DIR-822A-L2TP… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-86509 (GCVE-0-2026-86509)
Vulnerability from cvelistv5 – Published: 2026-09-08 00:45 – Updated: 2026-09-11 20:34
VLAI
EPSS
VEX
Title
D-Link DIR-895L udhcpcd serverpacket.c sendACK stack-based overflow
Summary
A flaw has been found in D-Link DIR-895L A1_102b07. This impacts the function sendOffer/sendACK of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack can only be done within the local network. The exploit has been published and may be used.
Severity
9.6 (Critical)
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:15 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399662 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399662/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86509 | third-party-advisory |
| https://vuldb.com/submit/906298 | third-party-advisory |
| https://tzh00203.notion.site/D-Link-DIR-895L-Stac… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-86318 (GCVE-0-2026-86318)
Vulnerability from cvelistv5 – Published: 2026-09-07 14:30 – Updated: 2026-09-08 13:03
VLAI
EPSS
VEX
Title
java-json-tools json-patch JsonMergePatchDeserializer.java JsonMergePatch.fromJson stack-based overflow
Summary
A flaw has been found in java-json-tools json-patch up to 1.13. Affected is the function JsonMergePatch.fromJson of the file JsonMergePatchDeserializer.java. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 13:02 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399509 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399509/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86318 | third-party-advisory |
| https://vuldb.com/submit/908319 | third-party-advisory |
| https://github.com/java-json-tools/json-patch/iss… | exploitissue-trackingpatch |
| https://github.com/java-json-tools/json-patch/ | patchproduct |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| java-json-tools | json-patch |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 Affected: 1.13 cpe:2.3:a:java-json-tools:json-patch:*:*:*:*:*:*:*:* |
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CVE-2026-86303 (GCVE-0-2026-86303)
Vulnerability from cvelistv5 – Published: 2026-09-07 12:15 – Updated: 2026-09-08 12:57 X_Open Source
VLAI
EPSS
VEX
Title
92181 markdown md.c lds out-of-bounds
Summary
A vulnerability was determined in 92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f. Affected by this issue is the function lds of the file md.c. Executing a manipulation can lead to out-of-bounds read. The attack can be executed remotely. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. This patch is called c000d2f9cf390c315378d3717cf20911cf3e80a6. A patch should be applied to remediate this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 12:57 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/399467 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/399467/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-86303 | third-party-advisory |
| https://vuldb.com/submit/907499 | third-party-advisory |
| https://github.com/92181/markdown/issues/1 | issue-tracking |
| https://github.com/92181/markdown/pull/2 | issue-trackingpatch |
| https://github.com/92181/markdown/commit/c000d2f9… | patch |
| https://github.com/92181/markdown/ | product |
Impacted products
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Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
- Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation MIT-4.1
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-9
Implementation
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
- Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
- If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation MIT-12
Operation
Strategy: Environment Hardening
- Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
- For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation MIT-13
Implementation
Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
CAPEC-10: Buffer Overflow via Environment Variables
This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the adversary finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
CAPEC-100: Overflow Buffers
Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an adversary. As a consequence, an adversary is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the adversaries' choice.
CAPEC-123: Buffer Manipulation
An adversary manipulates an application's interaction with a buffer in an attempt to read or modify data they shouldn't have access to. Buffer attacks are distinguished in that it is the buffer space itself that is the target of the attack rather than any code responsible for interpreting the content of the buffer. In virtually all buffer attacks the content that is placed in the buffer is immaterial. Instead, most buffer attacks involve retrieving or providing more input than can be stored in the allocated buffer, resulting in the reading or overwriting of other unintended program memory.
CAPEC-14: Client-side Injection-induced Buffer Overflow
This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service. This hostile service is created to deliver the correct content to the client software. For example, if the client-side application is a browser, the service will host a webpage that the browser loads.
CAPEC-24: Filter Failure through Buffer Overflow
In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
CAPEC-42: MIME Conversion
An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.
CAPEC-44: Overflow Binary Resource File
An attack of this type exploits a buffer overflow vulnerability in the handling of binary resources. Binary resources may include music files like MP3, image files like JPEG files, and any other binary file. These attacks may pass unnoticed to the client machine through normal usage of files, such as a browser loading a seemingly innocent JPEG file. This can allow the adversary access to the execution stack and execute arbitrary code in the target process.
CAPEC-45: Buffer Overflow via Symbolic Links
This type of attack leverages the use of symbolic links to cause buffer overflows. An adversary can try to create or manipulate a symbolic link file such that its contents result in out of bounds data. When the target software processes the symbolic link file, it could potentially overflow internal buffers with insufficient bounds checking.
CAPEC-46: Overflow Variables and Tags
This type of attack leverages the use of tags or variables from a formatted configuration data to cause buffer overflow. The adversary crafts a malicious HTML page or configuration file that includes oversized strings, thus causing an overflow.
CAPEC-47: Buffer Overflow via Parameter Expansion
In this attack, the target software is given input that the adversary knows will be modified and expanded in size during processing. This attack relies on the target software failing to anticipate that the expanded data may exceed some internal limit, thereby creating a buffer overflow.
CAPEC-8: Buffer Overflow in an API Call
This attack targets libraries or shared code modules which are vulnerable to buffer overflow attacks. An adversary who has knowledge of known vulnerable libraries or shared code can easily target software that makes use of these libraries. All clients that make use of the code library thus become vulnerable by association. This has a very broad effect on security across a system, usually affecting more than one software process.
CAPEC-9: Buffer Overflow in Local Command-Line Utilities
This attack targets command-line utilities available in a number of shells. An adversary can leverage a vulnerability found in a command-line utility to escalate privilege to root.