CVE-2025-2175 — libzvbi _vbi_strndup_iconv integer overflow

Back Back to CVE browser

MEDIUM

libzvbi _vbi_strndup_iconv integer overflow

Published Mar 11, 2025

5.3

MEDIUM

CVSS 4.0

EPSS 0.61%

Description

A vulnerability was found in libzvbi up to 0.2.43. It has been rated as problematic. Affected by this issue is the function _vbi_strndup_iconv. The manipulation leads to integer overflow. The attack may be launched 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. 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 products

Vendor n/a Product Libzvbi Default
n/a
- Version
  0.2.0
  Status
  affected
  Constraints
  -
- Version
  0.2.1
  Status
  affected
  Constraints
  -
- Version
  0.2.10
  Status
  affected
  Constraints
  -
- Version
  0.2.11
  Status
  affected
  Constraints
  -
- Version
  0.2.12
  Status
  affected
  Constraints
  -
- Version
  0.2.13
  Status
  affected
  Constraints
  -
- Version
  0.2.14
  Status
  affected
  Constraints
  -
- Version
  0.2.15
  Status
  affected
  Constraints
  -
- Version
  0.2.16
  Status
  affected
  Constraints
  -
- Version
  0.2.17
  Status
  affected
  Constraints
  -
- Version
  0.2.18
  Status
  affected
  Constraints
  -
- Version
  0.2.19
  Status
  affected
  Constraints
  -
- Version
  0.2.2
  Status
  affected
  Constraints
  -
- Version
  0.2.20
  Status
  affected
  Constraints
  -
- Version
  0.2.21
  Status
  affected
  Constraints
  -
- Version
  0.2.22
  Status
  affected
  Constraints
  -
- Version
  0.2.23
  Status
  affected
  Constraints
  -
- Version
  0.2.24
  Status
  affected
  Constraints
  -
- Version
  0.2.25
  Status
  affected
  Constraints
  -
- Version
  0.2.26
  Status
  affected
  Constraints
  -
- Version
  0.2.27
  Status
  affected
  Constraints
  -
- Version
  0.2.28
  Status
  affected
  Constraints
  -
- Version
  0.2.29
  Status
  affected
  Constraints
  -
- Version
  0.2.3
  Status
  affected
  Constraints
  -
- Version
  0.2.30
  Status
  affected
  Constraints
  -
- Version
  0.2.31
  Status
  affected
  Constraints
  -
- Version
  0.2.32
  Status
  affected
  Constraints
  -
- Version
  0.2.33
  Status
  affected
  Constraints
  -
- Version
  0.2.34
  Status
  affected
  Constraints
  -
- Version
  0.2.35
  Status
  affected
  Constraints
  -
- Version
  0.2.36
  Status
  affected
  Constraints
  -
- Version
  0.2.37
  Status
  affected
  Constraints
  -
- Version
  0.2.38
  Status
  affected
  Constraints
  -
- Version
  0.2.39
  Status
  affected
  Constraints
  -
- Version
  0.2.4
  Status
  affected
  Constraints
  -
- Version
  0.2.40
  Status
  affected
  Constraints
  -
- Version
  0.2.41
  Status
  affected
  Constraints
  -
- Version
  0.2.42
  Status
  affected
  Constraints
  -
- Version
  0.2.43
  Status
  affected
  Constraints
  -
- Version
  0.2.5
  Status
  affected
  Constraints
  -
- Version
  0.2.6
  Status
  affected
  Constraints
  -
- Version
  0.2.7
  Status
  affected
  Constraints
  -
- Version
  0.2.8
  Status
  affected
  Constraints
  -
- Version
  0.2.9
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

Libzvbi

n/a

Version	Status	Constraints
0.2.0	affected	-
0.2.1	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	-
0.2.2	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	-
0.2.3	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	affected	-
0.2.4	affected	-
0.2.40	affected	-
0.2.41	affected	-
0.2.42	affected	-
0.2.43	affected	-
0.2.5	affected	-
0.2.6	affected	-
0.2.7	affected	-
0.2.8	affected	-
0.2.9	affected	-

Remediation

No remediation recorded yet.

Metrics

0.61% 0.00608

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.00608

Score over time

2025–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (4 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	0.61% (0.00608)	47.23th	v5 (v2026.06.15)
Jun 15, 2026	0.58% (0.00577)	42.79th	v5 (v2026.06.15)
Mar 17, 2025	0.05% (0.00047)	11.71th	v4 (v2025.03.14)
Mar 12, 2025	0.05% (0.00052)	23.75th	v3 (v2023.03.01)

Weaknesses (2)

CWE-189

CWE-190

Integer Overflow

References (5)

https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44
patchRelease Notes
https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf
relatedPatchVendor Advisory
https://vuldb.com/?ctiid.299204
signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.299204
vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.512801
third-party-advisoryThird Party AdvisoryVDB Entry

Link	Providers	Tags
https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44		patchRelease Notes
https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf		relatedPatchVendor Advisory
https://vuldb.com/?ctiid.299204		signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.299204		vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.512801		third-party-advisoryThird Party AdvisoryVDB Entry