urllib3: HTTPResponse.stream()/read_chunked() buffers an unbounded chunk-size line into memory
High-risk advisory
CVE-2026-97689
Summary
urllib3: HTTPResponse.stream()/read_chunked() buffers an unbounded chunk-size line into memory
Why it matters
GitHub has published a reviewed security advisory for urllib3. Prioritize it with other application dependency updates.
Operator check
Check whether urllib3 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.9.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.