CVE-2025-2174

libzvbi conv.c vbi_strndup_iconv_ucs2 integer overflow

Description

A vulnerability was found in libzvbi up to 0.2.43. It has been declared as problematic. Affected by this vulnerability is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to integer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is named ca1672134b3e2962cd392212c73f44f8f4cb489f. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.

Category

6.9
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Third-Party Advisory vuldb.com
Affected: n/a libzvbi
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.299203 vdb entry technical description
https://vuldb.com/?ctiid.299203 signature permissions required
https://vuldb.com/?submit.512800 third party advisory
https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf related
https://github.com/zapping-vbi/zvbi/commit/ca1672134b3e2962cd392212c73f44f8f4cb489f patch
https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44 patch

Frequently Asked Questions

What is the severity of CVE-2025-2174?
CVE-2025-2174 has been scored as a medium severity vulnerability.
How to fix CVE-2025-2174?
To fix CVE-2025-2174, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-2174 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-2174 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-2174?
CVE-2025-2174 affects n/a libzvbi.
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