CVE-2021-31807
23Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendepss 16%
from disclosure to weapon0 days
Published on NVDJun 8
metasploitMay 27
exploitation probability
16%top 3% 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. 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.
Affected products
n/a · n/aReferences
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/http://www.openwall.com/lists/oss-security/2023/10/11/3http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch