onyx

onyx --cves cve-2023-23969

CVE-2023-23969

HIGHPOCDjango
score
<0.1
cvss
7.5
epss
47.4%
published
2023-02-01
kev added
—
first seen

Django 3.2 < 3.2.17, 4.0 < 4.0.9, and 4.1 < 4.1.6 contain a denial-of-service caused by caching parsed Accept-Language headers, letting attackers cause excessive memory usage, exploit requires sending large Accept-Language headers.

Timeline

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

events2023-02-01 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 47.4%2026-09-23: epss 47.4%2026-09-24: epss 47.4%2026-09-25: epss 47.4%2026-09-26: epss 47.4%2026-09-27: epss 47.4%2026-09-28: epss 47.4%2026-09-29: epss 47.4%2026-09-30: epss 47.4%2026-10-01: epss 47.4%2026-10-02: epss 47.4%2026-10-03: epss 47.4%2026-10-04: epss 47.4%2026-10-05: epss 47.4%2026-10-06: epss 47.4%2026-10-07: epss 47.4%2026-10-08: epss 47.4%2026-10-09: epss 47.4%2026-10-10: epss 47.4%2026-10-11: epss 47.4%2026-10-12: epss 47.4%2026-10-13: epss 47.4%2026-10-14: epss 47.4%2026-10-15: epss 47.4%2026-10-16: epss 47.4%2026-10-18: epss 47.4%2026-10-19: epss 47.4%2026-10-20: epss 47.4%2026-10-21: epss 47.4%47.4%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-770

References 7