CVE-2026-92823 (GCVE-0-2026-92823)

Vulnerability from cvelistv5 – Published: 2026-10-21 03:18 – Updated: 2026-10-21 15:49
VLAI
Title
Libmodulemd: libmodulemd: missing decompressed-size limit when parsing compressed yaml
Summary
A flaw was found in libmodulemd. In builds with rpmio support enabled, compressed modulemd YAML is decompressed through a custom read handler that does not enforce a cumulative decompressed-size limit before parsing. An attacker who can supply a highly compressible compressed YAML file can cause excessive CPU and memory consumption, resulting in a denial of service.
Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 15:00 UTC
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1032 records in the last 180 days details
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-92823 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2478703 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-10-21 03:02
Credits
Red Hat would like to thank AISLE Research for reporting this issue.
Show details on NVD website
To clipboard 

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