CVE-2023-52426

Public on 2024-02-04
Modified on 2024-02-27
Description
libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

Considering the tradeoff between the stability of Amazon Linux and the impact of CVE-2023-52426 a fix will not be provided for firefox and thunderbird in Amazon Linux 2 at this time.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 expat No Fix Planned
Amazon Linux 2 - Core expat Pending Fix
Amazon Linux 2023 expat 2024-02-15 ALAS2023-2024-524 Fixed
Amazon Linux 2 - Firefox Extra firefox No Fix Planned
Amazon Linux 2 - Core thunderbird No Fix Planned
Amazon Linux 2023 xmlrpc-c Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H