Anolis OS update for libxml2



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-27113
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

libxml2-doc
Operating systems & Components / Operating system package or component

python3-libxml2
Operating systems & Components / Operating system package or component

libxml2-static
Operating systems & Components / Operating system package or component

libxml2-devel
Operating systems & Components / Operating system package or component

libxml2
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU104213

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-27113

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the xmlPatMatch() function in pattern.c. A remote attacker can pass specially crafted XML document to the affected application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

libxml2-doc: before 2.11.5-9

python3-libxml2: before 2.11.5-9

libxml2-static: before 2.11.5-9

libxml2-devel: before 2.11.5-9

libxml2: before 2.11.5-9

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2025:0309


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.



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