PT-2025-48315 · Libexpat · Libexpat

Published 2025-11-28 · Updated 2025-11-28 · CVE-2025-66382

Positive Technologies · (AI Summary)

CVSS v3.1

2.9

2.9

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions libexpat versions through 2.7.3

Description A specially crafted file, approximately 2 MiB in size, can cause significant processing delays, potentially lasting for dozens of seconds.

Recommendations Update to a version later than 2.7.3.

Fix

DoS

Weakness Enumeration

CWE-407

Related Identifiers

CVE-2025-66382

Affected Products

Libexpat

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-66382 · Security Note
• https://github.com/libexpat/libexpat/issues/1076 · Note
• https://t.me/CVEtracker/38427 · Telegram Post
• https://twitter.com/CVEnew/status/1994299005254422749 · Twitter Post
• https://t.me/cveNotify/144207 · Telegram Post