onyx

onyx --cves cve-2026-97689

CVE-2026-97689

HIGHPython (CPython)
score
0.5
cvss
7.5
epss
0.3%
published
2026-09-29
kev added
—
first seen

urllib3 1.10.3 to 2.8.0 contains a denial of service caused by unbounded memory allocation in HTTPResponse.read_chunked and HTTPResponse.stream due to unbounded chunk-size buffering, letting malicious servers exhaust client memory, exploit requires a malicious HTTP server.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2026-09-29 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score 0.50.5epss2026-09-30: epss 0.3%2026-10-01: epss 0.3%2026-10-02: epss 0.3%2026-10-03: epss 0.3%2026-10-04: epss 0.3%2026-10-05: epss 0.3%2026-10-06: epss 0.3%2026-10-07: epss 0.3%2026-10-08: epss 0.3%2026-10-09: epss 0.3%2026-10-10: epss 0.3%2026-10-11: epss 0.3%2026-10-12: epss 0.3%2026-10-13: epss 0.3%2026-10-14: epss 0.3%2026-10-15: epss 0.3%2026-10-16: epss 0.3%2026-10-18: epss 0.3%2026-10-19: epss 0.3%2026-10-20: epss 0.3%2026-10-21: epss 0.3%0.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-770

References 3