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.
References (8)
Core 8
Core References
Third Party Advisory vendor-advisory
https://www.debian.org/security/2021/dsa-4924
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
Mailing List, Third Party Advisory mailing-list
http://www.openwall.com/lists/oss-security/2023/10/11/3
Mailing List, Third Party Advisory mailing-list
http://seclists.org/fulldisclosure/2023/Oct/14
Patch, Vendor Advisory
http://www.squid-cache.org/Versions/v6/changesets/squid-6-051824924c709bd6162a378f746fb859454c674e.patch
Patch, Third Party Advisory
https://github.com/squid-cache/squid/commit/051824924c709bd6162a378f746fb859454c674e
Patch, Third Party Advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39h
Scores
CVSS v3
6.5
EPSS
0.1363
EPSS Percentile
94.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-116
Status
published
Products (4)
debian/debian_linux
10.0
fedoraproject/fedora
33
fedoraproject/fedora
34
squid-cache/squid
4.0.1 - 4.15
Published
May 27, 2021
Tracked Since
Feb 18, 2026