compress zstd: Panic on two-block frames
High-risk advisory
CVE-2026-116591
Summary
compress zstd: Panic on two-block frames
Why it matters
GitHub has published a reviewed security advisory for github.com/klauspost/compress/zstd. Prioritize it with other application dependency updates, especially because EPSS places it in the 26% percentile.
Operator check
Check whether github.com/klauspost/compress/zstd is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7. EPSS probability: 0.3%; percentile: 26%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.