CVE-2025-2177libzvbi search.c vbi_search_new integer overflow
- 6.9MediumCVSS base score
- 0.65%Exploitation in 30 daysEPSS · top 48% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium6.9 | 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 |
| VulDBCNA (assigner) | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| VulDBCNA (assigner) | 3.0 | High7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| VulDBCNA (assigner) | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| NVDNVD · Analyzed | 4.0 | Medium6.9 | 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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.65% · top 48% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
libzvbi
- affected 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 0.2.12
- affected 0.2.13
- affected 0.2.14
- affected 0.2.15
- affected 0.2.16
- affected 0.2.17
- affected 0.2.18
- affected 0.2.19
- affected 0.2.20
- affected 0.2.21
- affected 0.2.22
- affected 0.2.23
- affected 0.2.24
- affected 0.2.25
- affected 0.2.26
- affected 0.2.27
- affected 0.2.28
- affected 0.2.29
- affected 0.2.30
- affected 0.2.31
- affected 0.2.32
- affected 0.2.33
- affected 0.2.34
- affected 0.2.35
- affected 0.2.36
- affected 0.2.37
- affected 0.2.38
- affected 0.2.39
- and 4 more
References
References6
- VDB-299206 | libzvbi search.c vbi_search_new integer overflow (opens in a new tab)vdb-entrytechnical-description
- VDB-299206 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #512803 | Open Source libzvbi 0.2.43 Integer Overflow -> Heap Overflow (vbi_search_new) (opens in a new tab)third-party-advisory
- https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf (opens in a new tab)related
- https://github.com/zapping-vbi/zvbi/commit/ca1672134b3e2962cd392212c73f44f8f4cb489f (opens in a new tab)patch
- https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44 (opens in a new tab)patch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-7530 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-2177)Record last updated .