RLSA-2026:97560: Important: runc security update
Published Nov 11, 2026
·Updated
The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container runtime.
Security Fix(es):
net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Rocky Linux 9 Release Notes linked from the References section.
Affected Software
1 affected componentFixes available
rocky-linux/runc<4:1.4.2-2.el9_8
4:1.4.2-2.el9_8
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
rocky-linux/runcto a version that resolves this vulnerability.Fixed in 4:1.4.2-2.el9_8
Event History
Nov 11, 2026
Advisory Published
via OSV·12:04 AM
Data Sourced
via OSV·12:04 AM
DescriptionSeverityAffected Software