onyx

onyx --cves cve-2003-0540

CVE-2003-0540

score
<0.1
cvss
5.0
epss
21.3%
published
2003-08-27
kev added
—
first seen

Postfix 1.1.12 and earlier contain a denial of service caused by address parser issues when processing malformed envelope addresses or headers containing '.!', letting attackers cause system lockup, exploit requires sending specific malformed or valid addresses with '.!'.

Timeline

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

events2003-08-27 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 21.3%2026-09-23: epss 21.3%2026-09-24: epss 21.3%2026-09-25: epss 21.3%2026-09-26: epss 21.3%2026-09-27: epss 21.3%2026-09-28: epss 21.3%2026-09-29: epss 21.3%2026-09-30: epss 21.3%2026-10-01: epss 21.3%2026-10-02: epss 21.3%2026-10-03: epss 21.3%2026-10-04: epss 21.3%2026-10-05: epss 21.3%2026-10-06: epss 21.3%2026-10-07: epss 21.3%2026-10-08: epss 21.3%2026-10-09: epss 21.3%2026-10-10: epss 21.3%2026-10-11: epss 21.3%2026-10-12: epss 21.3%2026-10-13: epss 21.3%2026-10-14: epss 21.3%2026-10-15: epss 21.3%2026-10-16: epss 21.3%2026-10-18: epss 21.3%2026-10-19: epss 21.3%2026-10-20: epss 21.3%2026-10-21: epss 21.3%21.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

NVD-CWE-Other

References 13