A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch 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 patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00083.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Zapping-vbi
  • Zvbi

Configuration 1 [-]

cpe:2.3:a:zapping-vbi:zvbi:*:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce cve-icon cve-icon
https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44 cve-icon cve-icon
https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf cve-icon cve-icon
https://vuldb.com/?ctiid.299202 cve-icon cve-icon
https://vuldb.com/?id.299202 cve-icon cve-icon
https://vuldb.com/?submit.512798 cve-icon cve-icon
History

Fri, 03 Oct 2025 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Zapping-vbi
Zapping-vbi zvbi
CPEs cpe:2.3:a:zapping-vbi:zvbi:*:*:*:*:*:*:*:*
Vendors & Products Zapping-vbi
Zapping-vbi zvbi

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00082}

 epss

{'score': 0.00106}

Tue, 11 Mar 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 11 Mar 2025 06:45:00 +0000

Type Values Removed Values Added
Description A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch 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 patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.
Title libzvbi conv.c vbi_strndup_iconv_ucs2 uninitialized pointer
Weaknesses CWE-824
CWE-908
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:N/A:N'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-03-11T13:47:03.081Z

Reserved: 2025-03-10T17:26:53.636Z

Link: CVE-2025-2173

cve-icon Vulnrichment

Updated: 2025-03-11T13:46:58.847Z

cve-icon NVD

Status : Analyzed

Published: 2025-03-11T07:15:36.057

Modified: 2025-10-03T00:26:28.397

Link: CVE-2025-2173

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.