CVE-2024-45491

Description

An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).

Patch Available

Fix available through Seal Security.  
No upgrade required, protect your application instantly.

Fix without upgrading

Score

9.8

Severity

Critical

Ecosystem

APT

Publish Date

August 29, 2024

Modified Date

April 16, 2026

Score Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Versions