High severity7.5NVD Advisory· Published Oct 18, 2021· Updated Jun 17, 2026
CVE-2021-41611
CVE-2021-41611
Description
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- Squid/Squiddescription
Patches
Vulnerability mechanics
References
4- github.com/squid-cache/squid/security/advisories/GHSA-47m4-g3mv-9q5rnvdPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2021/12/23/2nvdMailing ListThird Party Advisory
- www.squid-cache.org/Versions/v6/changesets/squid-6-43d6b5c81b88ec2256b430c69a872a1e4f324e4a.patchnvdVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CWQ2WKDWTSO47S3F6XJJ6HGG2ULWEAE4/nvd
News mentions
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