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EUVD-2026-172050
European Vulnerability Database identifier assigned by ENISAReserved
2026-10-02 06:39
Assigner
ENISA
Alias of
a CVE record, shown under related vulnerabilities.
This identifier carries no description, severity or references of its own:
they belong to that CVE.
{
"assigner": "ENISA",
"date_reserved": "2026-10-02T06:39:48.742417+00:00",
"id": "EUVD-2026-172050"
}
CVE-2022-22174 (GCVE-0-2022-22174)
Vulnerability from cvelistv5 – Published: 2022-01-19 00:21 – Updated: 2024-09-16 20:32
VLAI
EPSS
VEX
Title
Junos OS: QFX5000 Series, EX4600: Device may run out of memory, causing traffic loss, upon receipt of specific IPv6 packets
Summary
A vulnerability in the processing of inbound IPv6 packets in Juniper Networks Junos OS on QFX5000 Series and EX4600 switches may cause the memory to not be freed, leading to a packet DMA memory leak, and eventual Denial of Service (DoS) condition. Once the condition occurs, further packet processing will be impacted, creating a sustained Denial of Service (DoS) condition. The following error logs may be observed using the "show heap" command and the device may eventually run out of memory if such packets are received continuously. Jan 12 12:00:00 device-name fpc0 (buf alloc) failed allocating packet buffer Jan 12 12:00:01 device-name fpc0 (buf alloc) failed allocating packet buffer user@device-name> request pfe execute target fpc0 timeout 30 command "show heap" ID Base Total(b) Free(b) Used(b) % Name -- ---------- ----------- ----------- ----------- --- ----------- 0 246fc1a8 536870488 353653752 183216736 34 Kernel 1 91800000 16777216 12069680 4707536 28 DMA 2 92800000 75497472 69997640 5499832 7 PKT DMA DESC 3 106fc000 335544320 221425960 114118360 34 Bcm_sdk 4 97000000 176160768 200 176160568 99 Packet DMA <<<<<<<<<<<<<< 5 903fffe0 20971504 20971504 0 0 Blob This issue affects Juniper Networks Junos OS on QFX5000 Series, EX4600: 18.3R3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S3; 19.3 versions prior to 19.3R2-S7, 19.3R3-S4; 19.4 versions prior to 19.4R2-S5, 19.4R3-S6; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2. This issue does not affect Juniper Networks Junos OS: Any versions prior to 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R2.
Severity
7.5 (High)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11280 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
18.3 , < 18.3R3-S6
(custom)
Affected: 18.4 , < 18.4R2-S9, 18.4R3-S9 (custom) Affected: 19.1 , < 19.1R2-S3, 19.1R3-S7 (custom) Affected: 19.2 , < 19.2R1-S8, 19.2R3-S3 (custom) Affected: 19.3 , < 19.3R2-S7, 19.3R3-S4 (custom) Affected: 19.4 , < 19.4R2-S5, 19.4R3-S6 (custom) Affected: 20.1 , < 20.1R3-S1 (custom) Affected: 20.2 , < 20.2R3-S2 (custom) Affected: 20.3 , < 20.3R3-S1 (custom) Affected: 20.4 , < 20.4R3 (custom) Affected: 21.1 , < 21.1R2-S1, 21.1R3 (custom) Affected: 21.2 , < 21.2R1-S1, 21.2R2 (custom) |
|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 17.4R3
(custom)
Unaffected: 18.1 , < 18.1R3-S6 (custom) Unaffected: 18.2 , < 18.2R3 (custom) Unaffected: 18.3 , < 18.3R3 (custom) Unaffected: 18.4 , < 18.4R2 (custom) Unaffected: 19.1 , < 19.1R2 (custom) |
Date Public
2022-01-12 00:00
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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