Use After Free Affecting gnutls-devel package, versions <0:3.6.16-4.el8


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.63% (80th 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 Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ROCKY8-GNUTLSDEVEL-3207562
  • published5 Jan 2023
  • disclosed12 Mar 2021

Introduced: 12 Mar 2021

CVE-2021-20231  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 gnutls-devel to version 0:3.6.16-4.el8 or higher.
This issue was patched in RLSA-2021:4451.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls-devel package and not the gnutls-devel package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.

References

CVSS Scores

version 3.1