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Status published
Medium
CVE-2021-28662
An issue was discovered in Squid 4.x before 4.15 and...
Vulnerability Description
An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39h
- https://github.com/squid-cache/squid/commit/051824924c709bd6162a378f746fb859454c674e
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-051824924c709bd6162a378f746fb859454c674e.patch
- https://www.debian.org/security/2021/dsa-4924
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
- http://www.openwall.com/lists/oss-security/2023/10/11/3
- http://seclists.org/fulldisclosure/2023/Oct/14
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Affected Vendor
squid-cache
View all reports →Affected Software
squid, debian linux, fedora
Vulnerable Versions:
4.0.1, 5.0, 10.0, 33, 34
Timeline
Official Publish:
May 27th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.