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CVE-2021-31806

CVE-2021-31806

40Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendepss 96%
from disclosure to weapon0 days
Published on NVDMay 27
metasploitMay 27
exploitation probability
96%top 1% of all CVEs
observed exploitation
nono source reports it
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.
Affected products
n/a · n/a
References
http://seclists.org/fulldisclosure/2023/Oct/14https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xfhttps://lists.debian.org/debian-lts-announce/2021/06/msg00014.htmlhttps://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://security.netapp.com/advisory/ntap-20210716-0007/https://www.debian.org/security/2021/dsa-4924http://www.openwall.com/lists/oss-security/2023/10/11/3http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch