onyx

onyx --cves cve-2008-3889

CVE-2008-3889

LOWPOCPostfix
score
<0.1
cvss
2.1
epss
0.7%
published
2008-09-12
kev added
—
first seen

Postfix versions before 2.4.9, 2.5.5, and 2.6-20080902 used with Linux 2.6 kernel contain a denial of service caused by epoll file descriptor leakage during execution of non-Postfix commands, letting local users cause application slowdown or exit via crafted commands, exploit requires local user privileges.

Timeline

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

events2008-09-12 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoC: https://www.exploit-db.com/exploits/6472Xscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.7%2026-09-23: epss 0.7%2026-09-24: epss 0.7%2026-09-25: epss 0.7%2026-09-26: epss 0.7%2026-09-27: epss 0.7%2026-09-28: epss 0.7%2026-09-29: epss 0.7%2026-09-30: epss 0.7%2026-10-01: epss 0.7%2026-10-02: epss 0.7%2026-10-03: epss 0.7%2026-10-04: epss 0.7%2026-10-05: epss 0.7%2026-10-06: epss 0.7%2026-10-07: epss 0.7%2026-10-08: epss 0.7%2026-10-09: epss 0.7%2026-10-10: epss 0.7%2026-10-11: epss 0.7%2026-10-12: epss 0.7%2026-10-13: epss 0.7%2026-10-14: epss 0.7%2026-10-15: epss 0.7%2026-10-16: epss 0.7%2026-10-18: epss 0.7%2026-10-19: epss 0.7%2026-10-20: epss 0.7%2026-10-21: epss 0.7%0.7%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC https://www.exploit-db.com/exploits/6472

Exploit availability

Weaknesses

CWE-20

References 22