Integer Overflow or Wraparound Affecting libx11 package, versions <1.6.12-r0


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-ALPINE315-LIBX11-1927493
  • published 26 Aug 2020
  • disclosed 11 Sep 2020

How to fix?

Upgrade Alpine:3.15 libx11 to version 1.6.12-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Alpine. See How to fix? for Alpine:3.15 relevant fixed versions and status.

An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.

CVSS Scores

version 3.1
Expand this section

NVD

7.8 high
Expand this section

Red Hat

7.8 high
Expand this section

SUSE

7.8 high