MGASA-2021-0219 - Updated libx11 packages fix a security vulnerability

Publication date: 23 May 2021
URL: https://advisories.mageia.org/MGASA-2021-0219.html
Type: security
Affected Mageia releases: 7, 8
CVE: CVE-2021-31535

XLookupColor() and other X libraries function lack proper validation
of the length of their string parameters. If those parameters can be
controlled by an external application (for instance a color name that
can be emitted via a terminal control sequence) it can lead to the
emission of extra X protocol requests to the X server
(CVE-2021-31535).

References:
- https://bugs.mageia.org/show_bug.cgi?id=28940
- https://lists.x.org/archives/xorg-announce/2021-May/003088.html
- https://lists.x.org/archives/xorg-announce/2021-May/003089.html
- https://www.openwall.com/lists/oss-security/2021/05/18/3
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31535

SRPMS:
- 8/core/libx11-1.7.0-1.1.mga8
- 7/core/libx11-1.6.12-1.1.mga7