CVE-2022-40304
Published: August 31, 2023Last modified: August 31, 2023
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 score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libxml2 | Not affected (2.10.4-r0) |
| Stream | libxml2 | Not affected (2.11.5-r0) |
References
- http://seclists.org/fulldisclosure/2022/Dec/21
- http://seclists.org/fulldisclosure/2022/Dec/24
- http://seclists.org/fulldisclosure/2022/Dec/25
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/27
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b
- https://gitlab.gnome.org/GNOME/libxml2/-/tags
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3
- https://security.netapp.com/advisory/ntap-20221209-0003/
- https://support.apple.com/kb/HT213531
- https://support.apple.com/kb/HT213533
- https://support.apple.com/kb/HT213534
- https://support.apple.com/kb/HT213535
- https://support.apple.com/kb/HT213536