SUSE update for libxml2

1) Use-after-free

EUVDB-ID: #VU103502

Risk: Medium

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

CVE-ID: CVE-2022-49043

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 within the xmlXIncludeAddNode() function in xinclude.c. A remote attacker can pass specially crafted XML input to the application, trigger a use-after-free error and crash the application or potentially execute arbitrary code.

Mitigation

Update the affected package libxml2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12 SP5 LTSS Extended: Security

SUSE Linux Enterprise Server 12 SP5: LTSS

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

libxml2-2-debuginfo-32bit: before 2.9.4-46.78.1

libxml2-2-32bit: before 2.9.4-46.78.1

libxml2-doc: before 2.9.4-46.78.1

libxml2-2-debuginfo: before 2.9.4-46.78.1

libxml2-tools-debuginfo: before 2.9.4-46.78.1

python-libxml2-debugsource: before 2.9.4-46.78.1

libxml2-devel: before 2.9.4-46.78.1

python-libxml2: before 2.9.4-46.78.1

libxml2-2: before 2.9.4-46.78.1

libxml2-debugsource: before 2.9.4-46.78.1

python-libxml2-debuginfo: before 2.9.4-46.78.1

libxml2-tools: before 2.9.4-46.78.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5_ltss_extended:Security:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:libxml2-2-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-2-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-doc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-tools-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-libxml2-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-libxml2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-libxml2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libxml2-tools:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-20250300-1/

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.