onyx

onyx --cves cve-2022-31627

CVE-2022-31627

HIGHPOCPHP
score
<0.1
cvss
7.7
epss
2.1%
published
2022-07-28
kev added
—
first seen

PHP 8.1.x < 8.1.8 contains a heap corruption caused by incorrect memory deallocation in fileinfo functions due to a faulty patch in libmagic, letting attackers potentially cause denial of service or arbitrary code execution, exploit requires attacker to control fileinfo input.

Timeline

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

events2022-07-28 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 2.1%2026-09-23: epss 2.1%2026-09-24: epss 2.1%2026-09-25: epss 2.1%2026-09-26: epss 2.1%2026-09-27: epss 2.1%2026-09-28: epss 2.1%2026-09-29: epss 2.1%2026-09-30: epss 2.1%2026-10-01: epss 2.1%2026-10-02: epss 2.1%2026-10-03: epss 2.1%2026-10-04: epss 2.1%2026-10-05: epss 2.1%2026-10-06: epss 2.1%2026-10-07: epss 2.1%2026-10-08: epss 2.1%2026-10-09: epss 2.1%2026-10-10: epss 2.1%2026-10-11: epss 2.1%2026-10-12: epss 2.1%2026-10-13: epss 2.1%2026-10-14: epss 2.1%2026-10-15: epss 2.1%2026-10-16: epss 2.1%2026-10-18: epss 2.1%2026-10-19: epss 2.1%2026-10-20: epss 2.1%2026-10-21: epss 2.1%2.1%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-590 CWE-787

References 3