league/commonmark: Denial of service via adjacent inline attribute blocks

Date Aug 6, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Composer · league/commonmark
High-risk advisory

Summary

league/commonmark: Denial of service via adjacent inline attribute blocks

Why it matters

GitHub has published a reviewed security advisory for league/commonmark. Prioritize it with other application dependency updates.

Operator check

Check whether league/commonmark is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.