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onyx --cves cve-2023-3824

CVE-2023-3824

CRITKEVPOCPHP
score
<0.1
cvss
9.4
epss
21.8%
published
2023-08-11
kev added
2024-05-06
first seen

PHP 8.0 < 8.0.30, 8.1 < 8.1.22, and 8.2 < 8.2.8 contain a remote code execution caused by insufficient length checking when reading PHAR directory entries, letting attackers execute arbitrary code or cause memory corruption, exploit requires loading a malicious PHAR file.

Timeline

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

events2023-08-11 — PublishedP2024-05-06 — Added to CISA KEVK2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 21.8%2026-09-23: epss 21.8%2026-09-24: epss 21.8%2026-09-25: epss 21.8%2026-09-26: epss 21.8%2026-09-27: epss 21.8%2026-09-28: epss 21.8%2026-09-29: epss 21.8%2026-09-30: epss 21.8%2026-10-01: epss 21.8%2026-10-02: epss 21.8%2026-10-03: epss 21.8%2026-10-04: epss 21.8%2026-10-05: epss 21.8%2026-10-06: epss 21.8%2026-10-07: epss 21.8%2026-10-08: epss 21.8%2026-10-09: epss 21.8%2026-10-10: epss 21.8%2026-10-11: epss 21.8%2026-10-12: epss 21.8%2026-10-13: epss 21.8%2026-10-14: epss 21.8%2026-10-15: epss 21.8%2026-10-16: epss 21.8%2026-10-18: epss 21.8%2026-10-19: epss 21.8%2026-10-20: epss 21.8%2026-10-21: epss 21.8%21.8%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Added to CISA KEV
  3. Tracked by Onyx
  4. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-119

References 7