Incorrect Calculation of Buffer Size Affecting rhcos package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.01% (4th percentile)

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  • Snyk IDSNYK-RHEL9-RHCOS-16265704
  • published25 Apr 2026
  • disclosed23 Apr 2026

Introduced: 23 Apr 2026

CVE-2026-41989  (opens in a new tab)
CWE-131  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 rhcos.

NVD Description

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

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

CVSS Base Scores

version 3.1