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.
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.
CVSS v3 Base Score
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 | 2024-02-19 | 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 | 2025-10-27 | ALAS2023-2025-1229 | Fixed |
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 |