VDB
DEBIAN-CVE-2025-6021
DEBIAN-CVE-2025-6021
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | libxml2 | 2.9.14+dfsg, 2.9.14+dfsg-1.3~deb12u2, 0 |
| Debian:13 | libxml2 | 0, 0 |
| Debian:14 | libxml2 | 0, 0 |
| Debian:11 | libxml2 | 2.9.10+dfsg, 2.9.10+dfsg, 2.9.10+dfsg |
Exploit Intelligence
- seen_cves.json (github-poc)
- TestCommand.yaml (github-poc)
Timeline
- Jun 12, 2025 CVE Published
- Apr 28, 2026 CVE Updated