CVE-2018-14598

NameCVE-2018-14598
DescriptionAn issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1482-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libx11 (PTS)jessie2:1.6.2-3+deb8u1vulnerable
jessie (security)2:1.6.2-3+deb8u2fixed
stretch2:1.6.4-3+deb9u1fixed
buster2:1.6.7-1fixed
bullseye, sid2:1.6.9-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libx11source(unstable)2:1.6.6-1low
libx11sourcejessie2:1.6.2-3+deb8u2DLA-1482-1
libx11sourcestretch2:1.6.4-3+deb9u1

Notes

[wheezy] - libx11 <no-dsa> (Minor issue)
https://gitlab.freedesktop.org/xorg/lib/libx11/commit/e83722768fd5c467ef61fa159e8c6278770b45c2

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