Advisories » MGASA-2021-0219

Updated libx11 packages fix a security vulnerability

Publication date: 23 May 2021
Modification date: 23 May 2021
Type: security
Affected Mageia releases : 7 , 8
CVE: CVE-2021-31535

Description

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

7/core

• libx11-1.6.12-1.1.mga7

8/core

• libx11-1.7.0-1.1.mga8