CVE-2022-40304
Public on 2022-11-23
Modified on 2024-02-10
Description
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | libxml2 | 2023-04-27 | ALAS-2023-1743 | Fixed |
| Amazon Linux 2 - Core | libxml2 | 2023-03-17 | ALAS2-2023-1996 | Fixed |
| Amazon Linux 2023 | libxml2 | 2023-02-17 | ALAS2023-2023-096 | Fixed |
| Amazon Linux 2023 | xmlsec1 | 2023-02-17 | ALAS2023-2023-097 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |