CVE-2018-14598

Description

An 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).

References

http://www.openwall.com/lists/oss-security/2018/08/21/6

http://www.securityfocus.com/bid/105177

http://www.securitytracker.com/id/1041543

https://access.redhat.com/errata/RHSA-2019:2079

https://bugzilla.suse.com/show_bug.cgi?id=1102073

https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=e83722768fd5c467ef61fa159e8c6278770b45c2

https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/

https://lists.x.org/archives/xorg-announce/2018-August/002916.html

https://security.gentoo.org/glsa/201811-01

https://usn.ubuntu.com/3758-1/

https://usn.ubuntu.com/3758-2/

Details

Risk Information

CVSS v2

CVSS v3