CVE-2024-45491
CRITICAL9.8EPSS 1.1%Published: 8/30/2024Modified: 4/28/2026
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).
Affected packages (3)
- Alpine/expatfrom 0, < 2.6.3-r0
- Debian/expatfrom 0, < 2.2.10-2+deb11u6
- Debian/libxmltokfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |