Out-of-bounds Read Affecting libmodulemd package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.12% (2nd percentile)

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  • Snyk IDSNYK-DEBIAN13-LIBMODULEMD-21399667
  • published21 Oct 2026
  • disclosed21 Oct 2026

Introduced: 21 Oct 2026

NewCVE-2026-92824  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for Debian:13 libmodulemd.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libmodulemd package and not the libmodulemd package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

A flaw was found in libmodulemd. In the module stream v2 rpm-map emission path, an inner loop incorrectly uses the count of digest algorithms as its bound instead of the number of checksums in the current digest table. Crafted modulemd v2 metadata with multiple digest types can trigger an out-of-bounds read during YAML serialization, typically causing a crash and resulting in a denial of service.

CVSS Base Scores

version 3.1