Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2023-52425

CVE-2023-52425HIGH

n/a n/a — libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  N  H    7.5   .0215   81.8     —

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Feb 4   Reserved by mitre
  Feb 4   Published (CNA: mitre)
  Oct 15  EXPLOIT PUBLISHED — CVE-2023-52425. Public exploit reference added.

CWE-400 · CNA: mitre · CVSS v3.1 · 10 references · NVD status: Modified

Description

libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
February 4, 2024	Reserved	Reserved by mitre
February 4, 2024	Published	Published (CNA: mitre)
October 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2023-52425. Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-400

References (10)

Authoritative record: CVE-2023-52425 at cve.org

Weaknesses: CWE-400

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-52425 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.