eml_parser vulnerable to DoS via deeply nested parens in Received headers
High-risk advisory
CVE-2026-55620
Summary
eml_parser vulnerable to DoS via deeply nested parens in Received headers
Why it matters
GitHub has published a reviewed security advisory for eml_parser. Prioritize it with other application dependency updates.
Operator check
Check whether eml_parser 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.