Use After Free Affecting gnutls28 package, versions <3.7.1-1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
3.75% (89th percentile)

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  • Snyk IDSNYK-DEBIAN12-GNUTLS28-1547229
  • published11 Mar 2021
  • disclosed12 Mar 2021

Introduced: 11 Mar 2021

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

How to fix?

Upgrade Debian:12 gnutls28 to version 3.7.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls28 package and not the gnutls28 package as distributed by Debian. See How to fix? for Debian:12 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 Base Scores

version 3.1