CVE-2023-39321 Affecting runc package, versions <4:1.1.9-2.el9_3


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
1.35% (71st percentile)

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  • Snyk IDSNYK-ALMALINUX9-RUNC-6126052
  • published14 Dec 2023
  • disclosed13 May 2025

Introduced: 14 Dec 2023

CVE-2023-39321  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 runc to version 4:1.1.9-2.el9_3 or higher.
This issue was patched in ALSA-2023:7763.

NVD Description

Note: Versions mentioned in the description apply only to the upstream runc package and not the runc package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

Processing an incomplete post-handshake message for a QUIC connection can cause a panic.

CVSS Base Scores

version 3.1