CVE-2025-2177: libzvbi search.c vbi_search

Record summary

CVE-2025-2177 has a selected CVSS score of 6.9 (medium).

Description

A vulnerability classified as critical was found in libzvbi up to 0.2.43. This vulnerability affects the function vbi_search_new of the file src/search.c. The manipulation of the argument pat_len leads to integer overflow. The attack can be initiated 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 identified as 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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone

AutomatableYes

Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Mar 11, 2025 · Source: CVE List

Affected products and versions

Product	Source	Version range	Status
libzvbi	CVE List	0.2.0	affected
		0.2.1	affected
		0.2.2	affected
		0.2.3	affected
		0.2.4	affected
		0.2.5	affected
		0.2.6	affected
		0.2.7	affected
		0.2.8	affected
		0.2.9	affected
		0.2.10	affected
		0.2.11	affected
		Showing 12 of 44 version ranges

References

github.compatch

https://github.com/zapping-vbi/zvbi/commit/ca1672134b3e2962cd392212c73f44f8f4cb489f

github.compatch

https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44

github.comrelated

https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf

nvd.nist.gov

https://nvd.nist.gov/vuln/detail/CVE-2025-2177

VDB-299206 | CTI Indicators (IOB, IOC, IOA)signaturepermissions required

https://vuldb.com/?ctiid.299206

VDB-299206 | libzvbi search.c vbi_search_new integer overflowvdb entryTechnical description

https://vuldb.com/?id.299206

Submit #512803 | Open Source libzvbi 0.2.43 Integer Overflow -> Heap Overflow (vbi_search_new)Third-party advisory

https://vuldb.com/?submit.512803