libxml2: Multiple vulnerabilities — GLSA 202107-05

Multiple vulnerabilities have been found in libxml2, the worst of which could result in a Denial of Service condition.

Affected packages

dev-libs/libxml2 on all architectures
Affected versions < 2.9.11
Unaffected versions >= 2.9.11

Background

libxml2 is the XML (eXtended Markup Language) C parser and toolkit initially developed for the GNOME project.

Description

Multiple vulnerabilities have been discovered in libxml2. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to process a specially crafted XML document using an application linked against libxml2, possibly resulting in a Denial of Service condition or obtaining sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All libxml2 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.9.12-r3"
 

References

Release date
July 06, 2021

Latest revision
July 06, 2021: 1

Severity
low

Exploitable
local, remote

Bugzilla entries