Zapros: Streaming decoders ignored the requested chunk size, allowing a single compressed response chunk to allocate ...

Date Sep 23, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI ยท zapros
CVE CVE-2026-61652
High-risk advisory CVE-2026-61652

Summary

Zapros: Streaming decoders ignored the requested chunk size, allowing a single compressed response chunk to allocate unbounded memory (decompression bomb)

Why it matters

GitHub has published a reviewed security advisory for zapros. Prioritize it with other application dependency updates, especially because EPSS places it in the 18% percentile.

Operator check

Check whether zapros 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: 18%.

Sources

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