Double Free Affecting oci-seccomp-bpf-hook package, versions <0:1.2.11-2.el9_8


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.88% (59th percentile)

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  • Snyk IDSNYK-ALMALINUX9-OCISECCOMPBPFHOOK-17927765
  • published10 Jul 2026
  • disclosed14 Jul 2026

Introduced: 10 Jul 2026

CVE-2026-33811  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 oci-seccomp-bpf-hook to version 0:1.2.11-2.el9_8 or higher.
This issue was patched in ALSA-2026:36617.

NVD Description

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

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

References

CVSS Base Scores

version 3.1