CVE-2025-6021
Published: June 13, 2025Last modified: July 22, 2025
Description
A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.
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 | libxml2 | Unknown (2.10.3-r2) |
| Stream | libxml2 | Unknown (2.10.3-r2) | |
| Hardened Containers | 23 LTS | libxml2 | Unknown (2.10.3-r2) |
| Stream | libxml2 | Unknown (2.10.3-r2) |