CVE-2025-49796
9.1
CRITICAL
CVSS 3.1
EPSS 1.8%
Description
A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.
How to fix CVE-2025-49796
To remediate CVE-2025-49796, upgrade the affected package to a fixed version below.
- —upgrade to 2.13.9-r0 or later
- —upgrade to 2.9.10+dfsg-6.7+deb11u8 or later
Is CVE-2025-49796 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.13.9-r0
- from 0, < 2.9.10+dfsg-6.7+deb11u8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |