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ALPINE-CVE-2021-20231

ALPINE-CVE-2021-20231 PUBLISHED CVSS 9.800000190734863 CRITICAL

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.

Risk Scores

CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Alpine:v3.23gnutls2.10.4-r0, 3.6.3, 0
Alpine:v3.13gnutls3.6.15-r0, 3.6.3, 0
Alpine:v3.10gnutls0, 3.6.3, 0
Alpine:v3.15gnutls2.10.5-r1, 2.8.5-r0, 0
Alpine:v3.17gnutls3.4.13-r0, 3.4.14-r0, 3.1.9-r0
Alpine:v3.18gnutls2.8.1-r0, 2.10.4-r0, 2.10.5-r1
Alpine:v3.11gnutls0, 3.2.7-r0, 3.6.3
Alpine:v3.19gnutls2.10.5-r0, 0, 3.6.3
Alpine:v3.16gnutls3.4.16-r0, 3.4.14-r1, 3.4.14-r0
Alpine:v3.24gnutls3.6.3, 0
Alpine:v3.12gnutls0, 3.6.3, 0
Alpine:v3.21gnutls3.2.5-r0, 3.2.4-r0, 3.2.3-r0
Alpine:v3.14gnutls0, 2.10.4-r0, 2.10.5-r1
Alpine:v3.20gnutls3.2.9-r0, 2.10.5-r1, 2.12.16-r0
Alpine:v3.22gnutls0, 2.10.4-r0, 2.10.5-r0

Timeline

  • Mar 12, 2021 CVE Published
  • Apr 30, 2026 Distribution Patch
  • Jul 8, 2026 CVE Updated
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