Use After Free Affecting gnutls package, versions <3.7.1-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.63% (79th percentile)

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  • Snyk IDSNYK-ALPINE319-GNUTLS-6106569
  • published8 Dec 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 Alpine:3.19 gnutls to version 3.7.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls package and not the gnutls package as distributed by Alpine. See How to fix? for Alpine:3.19 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