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Use After Free Affecting nettle package, versions <0:3.4.1-7.el8

medium

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 1.09% (85th percentile)
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NVD
9.8 critical
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SUSE
7.4 high
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Red Hat
3.7 low

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  • Snyk ID SNYK-CENTOS8-NETTLE-2146986
  • published 26 Jul 2021
  • disclosed 12 Mar 2021
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Introduced: 12 Mar 2021

CVE-2021-20231 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:8 nettle to version 0:3.4.1-7.el8 or higher.

NVD Description

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