onyx

onyx --cves cve-2011-3336

CVE-2011-3336

HIGHPOCPHP
score
<0.1
cvss
7.5
epss
6.5%
published
2020-02-12
kev added
—
first seen

BSD libc's regcomp contains a denial of service caused by stack exhaustion in its implementation, letting attackers cause application crashes or hang, exploit requires crafted regular expression input.

Timeline

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

events2020-02-12 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 6.5%2026-09-23: epss 6.5%2026-09-24: epss 6.5%2026-09-25: epss 6.5%2026-09-26: epss 6.5%2026-09-27: epss 6.5%2026-09-28: epss 6.5%2026-09-29: epss 6.5%2026-09-30: epss 6.5%2026-10-01: epss 6.5%2026-10-02: epss 6.5%2026-10-03: epss 6.5%2026-10-04: epss 6.5%2026-10-05: epss 6.5%2026-10-06: epss 6.5%2026-10-07: epss 6.5%2026-10-08: epss 6.5%2026-10-09: epss 6.5%2026-10-10: epss 6.5%2026-10-11: epss 6.5%2026-10-12: epss 6.5%2026-10-13: epss 6.5%2026-10-14: epss 6.5%2026-10-15: epss 6.5%2026-10-16: epss 6.5%2026-10-18: epss 6.5%2026-10-19: epss 6.5%2026-10-20: epss 6.5%2026-10-21: epss 6.5%6.5%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-400

References 4