openEuler 22.03 LTS SP4 update for libxml2

1) Out-of-bounds read

EUVDB-ID: #VU107595

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-32414

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to an out-of-bounds read that occurs in the Python API (Python bindings) because of an incorrect return value. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP4

libxml2-help: before 2.9.14-17

python3-libxml2: before 2.9.14-17

libxml2-devel: before 2.9.14-17

libxml2-debugsource: before 2.9.14-17

libxml2-debuginfo: before 2.9.14-17

libxml2: before 2.9.14-17

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP4:*:*:*:*:*:*
• cpe:2.3:a:openeuler:libxml2-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:python3-libxml2:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libxml2-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libxml2-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libxml2-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libxml2:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1537

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.