Double Free Affecting crun package, versions <0:1.14.3-2.module+el8.10.0+90960+1362bdc4


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.81% (53rd percentile)

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  • Snyk IDSNYK-ORACLE8-CRUN-18015385
  • published18 Jul 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

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

How to fix?

Upgrade Oracle:8 crun to version 0:1.14.3-2.module+el8.10.0+90960+1362bdc4 or higher.
This issue was patched in ELSA-2026-38504.

NVD Description

Note: Versions mentioned in the description apply only to the upstream crun package and not the crun package as distributed by Oracle. See How to fix? for Oracle:8 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