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-2024-28757

CVE-2024-28757HIGH

n/a n/a — libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEnti…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  N  H    7.5   .0201   80.5     —

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

TIMELINE
  Mar 10  Reserved by mitre
  Mar 10  Published (CNA: mitre)
  Oct 15  EXPLOIT PUBLISHED — CVE-2024-28757. Public exploit reference added.

CWE-776 · CNA: mitre · CVSS v3.1 · 12 references · NVD status: Modified

Description

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 10, 2024	Reserved	Reserved by mitre
March 10, 2024	Published	Published (CNA: mitre)
October 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2024-28757. 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-776

References (12)

Authoritative record: CVE-2024-28757 at cve.org

Weaknesses: CWE-776

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-28757 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.