Improper Input Validation The advisory has been revoked - it doesn't affect any version of package squid (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-SQUID-1356971
- published26 Jul 2021
- disclosed10 May 2021
Introduced: 10 May 2021
CVE-2021-28662 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream squid package and not the squid package as distributed by RHEL.
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
- https://access.redhat.com/security/cve/CVE-2021-28662
- https://www.debian.org/security/2021/dsa-4924
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
- https://github.com/squid-cache/squid/commit/051824924c709bd6162a378f746fb859454c674e
- https://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39h
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-051824924c709bd6162a378f746fb859454c674e.patch
- https://access.redhat.com/errata/RHSA-2021:4292
- http://seclists.org/fulldisclosure/2023/Oct/14
- http://www.openwall.com/lists/oss-security/2023/10/11/3
- 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/