openEuler update for libtheora

1) Input validation error

EUVDB-ID: #VU106993

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-56431

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the oc_huff_tree_unpack() function in in huffdec.c. 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: 20.03 LTS SP4 - 24.03 LTS

libtheora-help: before 1.1.1-25

theora-tools: before 1.1.1-25

libtheora-devel: before 1.1.1-25

libtheora-debugsource: before 1.1.1-25

libtheora-debuginfo: before 1.1.1-25

libtheora: before 1.1.1-25

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP4:*:*:*:*:*:*
• cpe:2.3:o:openeuler:libtheora-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:theora-tools:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:libtheora-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:libtheora-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:libtheora-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:libtheora:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1369

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.