CVE-2025-59375

Public on 2025-09-15
Modified on 2025-10-17
Description
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 compat-expat1 No Fix Planned
Amazon Linux 1 expat No Fix Planned
Amazon Linux 2 - Core expat Not Affected
Amazon Linux 2023 expat 2025-09-29 ALAS2023-2025-1196 Fixed
Amazon Linux 2 - Firefox Extra firefox 2025-09-29 ALAS2FIREFOX-2025-043 Fixed
Amazon Linux 2023 firefox 2025-09-29 ALAS2023-2025-1203 Fixed
Amazon Linux 2 - Core thunderbird 2025-09-29 ALAS2-2025-3008 Fixed
Amazon Linux 2023 xmlrpc-c 2025-10-27 ALAS2023-2025-1229 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H