Slackware Linux update for libxslt

Published: 2025-03-21

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

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU105946

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-2025-24855

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 numbers.c when handling nested XPath evaluations. A remote attacker can pass specially crafted XML 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 the affected package libxslt.

Vulnerable software versions

Slackware Linux: 15.0

libxslt: before 1.1.43

CPE2.3

External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2025&m=slackware-security.350706

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: #VU105879