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Status published
Medium
CVE-2021-31807
An issue was discovered in Squid before 4.15 and 5.x...
Vulnerability Description
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.
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-pxwq-f3qr-w2xf
- http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch
- 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/
- https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html
- https://security.netapp.com/advisory/ntap-20210716-0007/
- 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, fedora, cloud manager
Vulnerable Versions:
3.0, 5.0, 2.5.stable2, 2.5.stable3, 2.5.stable4, 2.5.stable5, 2.5.stable6, 2.5.stable7, 2.5.stable8, 2.5.stable9, 2.5.stable10, 2.5.stable11, 2.5.stable12, 2.5.stable13, 2.5.stable14, 2.6, 2.7, 33, 34
Timeline
Official Publish:
June 8th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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.