Anolis OS update for libxml2

1) Stack-based buffer overflow

EUVDB-ID: #VU111224

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-2025-6170

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in xmllint Shell - shell.c. A remote attacker can pass specially crafted input to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

libxml2-doc: before 2.11.5-14

python3-libxml2: before 2.11.5-14

libxml2-static: before 2.11.5-14

libxml2-devel: before 2.11.5-14

libxml2: before 2.11.5-14

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:23:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:libxml2-doc:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-libxml2:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libxml2-static:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libxml2-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libxml2:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2025:0542

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.