CVE-2020-8450

NameCVE-2020-8450
DescriptionAn issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2278-1, DSA-4682-1, ELA-271-1
Debian Bugs950802

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
squid (PTS)buster (security), buster, buster (lts)4.6-1+deb10u10fixed
bullseye (security), bullseye4.13-10+deb11u3fixed
bookworm (security), bookworm5.7-2+deb12u2fixed
sid, trixie6.10-1fixed
squid3 (PTS)jessie, jessie (lts)3.5.23-5+deb8u7fixed
stretch (security)3.5.23-5+deb9u7fixed
stretch (lts), stretch3.5.23-5+deb9u10fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squidsourcewheezy(unfixed)end-of-life
squidsourcebuster4.6-1+deb10u2DSA-4682-1
squidsource(unstable)4.10-1950802
squid3sourcewheezy(unfixed)end-of-life
squid3sourcejessie3.5.23-5+deb8u1ELA-271-1
squid3sourcestretch3.5.23-5+deb9u2DLA-2278-1
squid3source(unstable)(unfixed)

Notes

http://www.squid-cache.org/Advisories/SQUID-2020_1.txt
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch (Squid 3.5)
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch (Squid 4.8 and older)
http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch (Squid 4.9)

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