Out-of-Bounds Read Vulnerability in libmodulemd Affects Red Hat Products
CVE-2026-92824

6.2MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Hardened Images
Vendor
CVE Published:
21 October 2026

What is CVE-2026-92824?

A flaw in libmodulemd creates a risk of out-of-bounds reads during the YAML serialization process, triggered by specially crafted v2 modulemd metadata with multiple digest types. This vulnerability occurs in the module stream v2 rpm-map emission path, where an incorrect loop bound leads to potential crashes of the application, resulting in service interruptions.

References

https://access.redhat.com/security/cve/CVE-2026-92824
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2478495
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank AISLE Research for reporting this issue.
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