onyx

onyx --cves cve-2025-27556

CVE-2025-27556

score
<0.1
cvss
5.8
epss
1.1%
published
2025-04-02
kev added
—
first seen

Django 5.1 before 5.1.8 and 5.0 before 5.0.14 contain a denial-of-service caused by slow NFKC normalization on Windows, letting attackers cause service disruption via inputs with many Unicode characters, exploit requires sending crafted input.

Timeline

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

events2025-04-02 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 1.0%2026-09-23: epss 1.0%2026-09-24: epss 1.0%2026-09-25: epss 1.0%2026-09-26: epss 1.0%2026-09-27: epss 1.0%2026-09-29: epss 1.0%2026-09-30: epss 1.0%2026-10-01: epss 1.0%2026-10-02: epss 1.0%2026-10-03: epss 1.1%2026-10-04: epss 1.1%2026-10-05: epss 1.1%2026-10-06: epss 1.1%2026-10-07: epss 1.1%2026-10-08: epss 1.1%2026-10-09: epss 1.1%2026-10-10: epss 1.1%2026-10-11: epss 1.1%2026-10-12: epss 1.1%2026-10-13: epss 1.1%2026-10-14: epss 1.1%2026-10-15: epss 1.1%2026-10-16: epss 1.1%2026-10-18: epss 1.1%2026-10-19: epss 1.1%2026-10-20: epss 1.1%2026-10-21: epss 1.1%1.1%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-770

References 4