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Vulnerability · Published Mar 11, 2025 · Assigned by VulDB

CVE-2025-2176libzvbi io-sim.c vbi_capture_sim_load_caption integer overflow

High 7.3

In plain English

A high-severity integer overflow in libzvbi. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.7%top 47.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical has been found in libzvbi up to 0.2.43. This affects the function vbi_capture_sim_load_caption of the file src/io-sim.c. The manipulation leads to integer overflow. It is possible to initiate the attack 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 identifier of the patch is 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12zvbi0.2.41-1+deb12u1DEBIAN-CVE-2025-2176
Debian:13zvbi0.2.44-1DEBIAN-CVE-2025-2176
Debian:14zvbi0.2.44-1DEBIAN-CVE-2025-2176

Affected products (as reported)

VendorProductVersions
n/a libzvbi 0.2.00.2.10.2.20.2.30.2.40.2.50.2.60.2.7

Weakness: CWE-190, CWE-189 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References