Debian update for libxslt

Published: 2025-03-23

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-55549 CVE-2025-24855
CWE-ID	CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Debian Linux Operating systems & Components / Operating system libxslt (Debian package) Operating systems & Components / Operating system package or component
Vendor	Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU105879

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-55549

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in xsltGetInheritedNsList. A remote attacker can pass specially crafted input to the application, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Update libxslt package to version 1.1.35-1+deb12u1.

Vulnerable software versions

Debian Linux: All versions

libxslt (Debian package): before 1.1.35-1+deb12u1

CPE2.3

External links

https://lists.debian.org/debian-security-announce/2025/msg00046.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU105946