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130 vulnerabilities by PCRE
CVE-2026-103111 (GCVE-0-2026-103111)
Vulnerability from nvd – Published: 2026-09-30 04:13 – Updated: 2026-09-30 19:07
VLAI
EPSS
VEX
Summary
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 18:44 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
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CVE-2026-89162 (GCVE-0-2026-89162)
Vulnerability from nvd – Published: 2026-09-11 04:15 – Updated: 2026-09-14 18:18
VLAI
EPSS
VEX
Summary
In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:56 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-89161 (GCVE-0-2026-89161)
Vulnerability from nvd – Published: 2026-09-11 04:11 – Updated: 2026-09-11 19:59
VLAI
EPSS
VEX
Summary
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 19:59 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
Impacted products
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CVE-2026-89160 (GCVE-0-2026-89160)
Vulnerability from nvd – Published: 2026-09-11 04:09 – Updated: 2026-09-15 15:37
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:37 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
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CVE-2026-89158 (GCVE-0-2026-89158)
Vulnerability from nvd – Published: 2026-09-11 04:07 – Updated: 2026-09-11 14:09
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:09 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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CVE-2026-89157 (GCVE-0-2026-89157)
Vulnerability from nvd – Published: 2026-09-11 04:05 – Updated: 2026-09-11 16:02
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
Severity
5.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:02 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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CVE-2026-89156 (GCVE-0-2026-89156)
Vulnerability from nvd – Published: 2026-09-11 04:03 – Updated: 2026-09-14 18:18
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:57 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
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CVE-2026-86145 (GCVE-0-2026-86145)
Vulnerability from nvd – Published: 2026-09-05 05:09 – Updated: 2026-09-08 18:07
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check (even though a newly allocated block, for the same purpose, does have a size check). This outcome requires an attacker-controlled regular expression, or a recursive pattern in conjunction with a small heap limit (this can be set through the API).
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 18:07 UTC
CWE
- CWE-424 - Improper Protection of Alternate Path
Assigner
References
Impacted products
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CVE-2025-58050 (GCVE-0-2025-58050)
Vulnerability from nvd – Published: 2025-08-27 18:47 – Updated: 2025-08-27 19:14
VLAI
EPSS
VEX
Title
PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS
Summary
The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45, a heap-buffer-overflow read vulnerability exists in the PCRE2 regular expression matching engine, specifically within the handling of the (*scs:...) (Scan SubString) verb when combined with (*ACCEPT) in src/pcre2_match.c. This vulnerability may potentially lead to information disclosure if the out-of-bounds data read during the memcmp affects the final match result in a way observable by the attacker. This issue has been resolved in version 10.46.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-27 19:14 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/PCRE2Project/pcre2/security/ad… | x_refsource_CONFIRM |
| https://github.com/PCRE2Project/pcre2/commit/a141… | x_refsource_MISC |
| https://github.com/PCRE2Project/pcre2/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PCRE2Project | pcre2 |
Affected:
= 10.45
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CVE-2022-41409 (GCVE-0-2022-41409)
Vulnerability from nvd – Published: 2023-07-18 00:00 – Updated: 2024-10-28 18:22
VLAI
EPSS
VEX
Summary
Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative input.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-28 18:22 UTC
CWE
- n/a
Assigner
References
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CVE-2022-1587 (GCVE-0-2022-1587)
Vulnerability from nvd – Published: 2022-05-16 00:00 – Updated: 2024-08-03 00:10
VLAI
EPSS
VEX
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
8 references
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CVE-2022-1586 (GCVE-0-2022-1586)
Vulnerability from nvd – Published: 2022-05-16 00:00 – Updated: 2025-03-06 08:18
VLAI
EPSS
VEX
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
11 references
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CVE-2020-14155 (GCVE-0-2020-14155)
Vulnerability from nvd – Published: 2020-06-15 00:00 – Updated: 2024-08-04 12:39
VLAI
EPSS
VEX
Summary
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
10 references
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CVE-2019-20838 (GCVE-0-2019-20838)
Vulnerability from nvd – Published: 2020-06-15 16:50 – Updated: 2024-08-05 02:53
VLAI
EPSS
VEX
Summary
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
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| https://www.pcre.org/original/changelog.txt | x_refsource_MISC |
| https://support.apple.com/kb/HT211931 | x_refsource_CONFIRM |
| http://seclists.org/fulldisclosure/2020/Dec/32 | mailing-listx_refsource_FULLDISC |
| https://support.apple.com/kb/HT212147 | x_refsource_CONFIRM |
| http://seclists.org/fulldisclosure/2021/Feb/14 | mailing-listx_refsource_FULLDISC |
| https://lists.apache.org/thread.html/rf9fa47ab664… | mailing-listx_refsource_MLIST |
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CVE-2019-20454 (GCVE-0-2019-20454)
Vulnerability from nvd – Published: 2020-02-14 00:00 – Updated: 2024-08-05 02:39
VLAI
EPSS
VEX
Summary
An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.
Severity
5.1 (Medium)
CWE
- n/a
Assigner
References
7 references
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CVE-2026-103111 (GCVE-0-2026-103111)
Vulnerability from cvelistv5 – Published: 2026-09-30 04:13 – Updated: 2026-09-30 19:07
VLAI
EPSS
VEX
Summary
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 18:44 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
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CVE-2026-89162 (GCVE-0-2026-89162)
Vulnerability from cvelistv5 – Published: 2026-09-11 04:15 – Updated: 2026-09-14 18:18
VLAI
EPSS
VEX
Summary
In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:56 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
Impacted products
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CVE-2026-89161 (GCVE-0-2026-89161)
Vulnerability from cvelistv5 – Published: 2026-09-11 04:11 – Updated: 2026-09-11 19:59
VLAI
EPSS
VEX
Summary
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 19:59 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
Impacted products
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CVE-2026-89160 (GCVE-0-2026-89160)
Vulnerability from cvelistv5 – Published: 2026-09-11 04:09 – Updated: 2026-09-15 15:37
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:37 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
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CVE-2026-89158 (GCVE-0-2026-89158)
Vulnerability from cvelistv5 – Published: 2026-09-11 04:07 – Updated: 2026-09-11 14:09
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:09 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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CVE-2026-89157 (GCVE-0-2026-89157)
Vulnerability from cvelistv5 – Published: 2026-09-11 04:05 – Updated: 2026-09-11 16:02
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
Severity
5.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:02 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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CVE-2026-89156 (GCVE-0-2026-89156)
Vulnerability from cvelistv5 – Published: 2026-09-11 04:03 – Updated: 2026-09-14 18:18
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:57 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
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CVE-2026-86145 (GCVE-0-2026-86145)
Vulnerability from cvelistv5 – Published: 2026-09-05 05:09 – Updated: 2026-09-08 18:07
VLAI
EPSS
VEX
Summary
PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check (even though a newly allocated block, for the same purpose, does have a size check). This outcome requires an attacker-controlled regular expression, or a recursive pattern in conjunction with a small heap limit (this can be set through the API).
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 18:07 UTC
CWE
- CWE-424 - Improper Protection of Alternate Path
Assigner
References
Impacted products
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CVE-2025-58050 (GCVE-0-2025-58050)
Vulnerability from cvelistv5 – Published: 2025-08-27 18:47 – Updated: 2025-08-27 19:14
VLAI
EPSS
VEX
Title
PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS
Summary
The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45, a heap-buffer-overflow read vulnerability exists in the PCRE2 regular expression matching engine, specifically within the handling of the (*scs:...) (Scan SubString) verb when combined with (*ACCEPT) in src/pcre2_match.c. This vulnerability may potentially lead to information disclosure if the out-of-bounds data read during the memcmp affects the final match result in a way observable by the attacker. This issue has been resolved in version 10.46.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-27 19:14 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/PCRE2Project/pcre2/security/ad… | x_refsource_CONFIRM |
| https://github.com/PCRE2Project/pcre2/commit/a141… | x_refsource_MISC |
| https://github.com/PCRE2Project/pcre2/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PCRE2Project | pcre2 |
Affected:
= 10.45
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CVE-2022-41409 (GCVE-0-2022-41409)
Vulnerability from cvelistv5 – Published: 2023-07-18 00:00 – Updated: 2024-10-28 18:22
VLAI
EPSS
VEX
Summary
Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative input.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-28 18:22 UTC
CWE
- n/a
Assigner
References
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CVE-2022-1586 (GCVE-0-2022-1586)
Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2025-03-06 08:18
VLAI
EPSS
VEX
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
11 references
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CVE-2022-1587 (GCVE-0-2022-1587)
Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2024-08-03 00:10
VLAI
EPSS
VEX
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
8 references
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CVE-2019-20838 (GCVE-0-2019-20838)
Vulnerability from cvelistv5 – Published: 2020-06-15 16:50 – Updated: 2024-08-05 02:53
VLAI
EPSS
VEX
Summary
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://bugs.gentoo.org/717920 | x_refsource_MISC |
| https://www.pcre.org/original/changelog.txt | x_refsource_MISC |
| https://support.apple.com/kb/HT211931 | x_refsource_CONFIRM |
| http://seclists.org/fulldisclosure/2020/Dec/32 | mailing-listx_refsource_FULLDISC |
| https://support.apple.com/kb/HT212147 | x_refsource_CONFIRM |
| http://seclists.org/fulldisclosure/2021/Feb/14 | mailing-listx_refsource_FULLDISC |
| https://lists.apache.org/thread.html/rf9fa47ab664… | mailing-listx_refsource_MLIST |
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CVE-2020-14155 (GCVE-0-2020-14155)
Vulnerability from cvelistv5 – Published: 2020-06-15 00:00 – Updated: 2024-08-04 12:39
VLAI
EPSS
VEX
Summary
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
10 references
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CVE-2019-20454 (GCVE-0-2019-20454)
Vulnerability from cvelistv5 – Published: 2020-02-14 00:00 – Updated: 2024-08-05 02:39
VLAI
EPSS
VEX
Summary
An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.
Severity
5.1 (Medium)
CWE
- n/a
Assigner
References
7 references
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