CVE-2018-20103

NameCVE-2018-20103
DescriptionAn issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3034-1
Debian Bugs916307

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
haproxy (PTS)bookworm, bookworm (security)2.6.12-1+deb12u3fixed
trixie (security), trixie3.0.11-1+deb13u3fixed
forky, sid3.2.23-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
haproxysourcejessie(not affected)
haproxysourcestretch1.7.5-2+deb9u1DLA-3034-1
haproxysource(unstable)1.8.15-1916307

Notes

[jessie] - haproxy <not-affected> (Vulnerable code not present)
http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25
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