pyasn1 has quadratic-complexity denial of service in binary REAL decoding
High-risk advisory
CVE-2026-119197
Summary
pyasn1 has quadratic-complexity denial of service in binary REAL decoding
Why it matters
GitHub has published a reviewed security advisory for pyasn1. Prioritize it with other application dependency updates, especially because EPSS places it in the 37% percentile.
Operator check
Check whether pyasn1 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 37%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.