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Advisory record · GHSA-jfm3-95jq-q3rf

league/commonmark: Denial of service via duplicate footnote definitions

CVSS 7.5 High

Published by the GitHub Advisory Database at 6 Aug 2026, 20:40 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
league/commonmarkPackagist>=1.5.0, <2.9.02.9.0
Identifiers
GHSA-jfm3-95jq-q3rf · PKSA-1q6p-sqkj-8mmj
Weakness (CWE)
CWE-407
Tags
Published
6 Aug 2026
Updated
6 Aug 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 3 Aug 2026, 14:16 UTC Published by the maintainers as a GitHub repository advisory
  2. 31 Oct 2026, 14:24 UTC First seen by agentprime
  3. 31 Oct 2026, 14:24 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.