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Fencer Vulns
high 7.3

CVE-2025-2177 json

libzvbi search.c vbi_search_new integer overflow

published 2025-03-11 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-7530

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

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.

Patch / fix

  • zapping-vbi zvbi 0.2.44
  • zvbi Debian 12 0.2.41-1+deb12u1
  • zvbi Debian 14, Debian 13 0.2.44-1

debian advisories DEBIAN-CVE-2025-2177

  • zvbi Ubuntu Pro 16.04 LTS 0.2.35-10ubuntu0.1~esm1
  • zvbi Ubuntu Pro 18.04 LTS 0.2.35-13ubuntu0.1~esm1
  • zvbi Ubuntu Pro 20.04 LTS 0.2.35-17ubuntu0.1~esm1
  • zvbi Ubuntu Pro 22.04 LTS 0.2.35-19ubuntu0.1~esm1
  • zvbi Ubuntu Pro 24.04 LTS 0.2.42-2ubuntu0.24.04.1~esm1

ubuntu advisories UBUNTU-CVE-2025-2177

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • zvbi SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +8 more 0.2.35-150000.4.3.1
  • zvbi SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 0.2.35-3.3.1

suse advisories SUSE-SU-2025:0988-1SUSE-SU-2025:0979-1

  • zvbi openSUSE Tumbleweed 0.2.44-1.1

opensuse advisories openSUSE-SU-2025:14891-1

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 6.9 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
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 7.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
CNA 4.0 6.9 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
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • n/a libzvbi

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.