CVE-2024-45490
Published: August 31, 2024Last modified: July 22, 2025
Description
An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | expat | Fixed (2.6.3-r0) |
| Stream | expat | Fixed (2.6.3-r0) | |
| Hardened Containers | 23 LTS | expat | Fixed (2.6.3-r0) |
| Stream | expat | Fixed (2.6.3-r0) |
References
- http://seclists.org/fulldisclosure/2024/Dec/10
- http://seclists.org/fulldisclosure/2024/Dec/12
- http://seclists.org/fulldisclosure/2024/Dec/6
- http://seclists.org/fulldisclosure/2024/Dec/7
- http://seclists.org/fulldisclosure/2024/Dec/8
- https://github.com/libexpat/libexpat/issues/887
- https://github.com/libexpat/libexpat/pull/890
- https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html
- https://security.netapp.com/advisory/ntap-20241018-0004/