CVE-2025-2173
- Source
- https://cve.org/CVERecord?id=CVE-2025-2173
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-2173.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-2173
- Aliases
-
- CVE-2025-2174
- CVE-2025-2175
- CVE-2025-2176
- CVE-2025-2177
- GHSA-g7cg-7gw9-v8cf
- Downstream
DEBIAN (1)
MGASA (1)
openSUSE (1)
UBUNTU (1)
- Related
- Published
- 2025-03-11T06:31:05Z
- Modified
- 2026-10-22T16:00:14Z
- Severity
-
- 6.9 (Medium) CVSS_V4 - 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 CVSS Calculator
- Summary
- libzvbi conv.c vbi_strndup_iconv_ucs2 uninitialized pointer
- Details
-
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.
- Database specific
{ "cna_assigner": "VulDB", "cwe_ids": [ "CWE-824", "CWE-908" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2173.json", "unresolved_ranges": [ { "extracted_events": [ { "range": [ { "introduced": "0.2.0" }, { "last_affected": "0.2.0" }, { "introduced": "0.2.1" }, { "last_affected": "0.2.1" }, { "introduced": "0.2.2" }, { "last_affected": "0.2.2" }, { "introduced": "0.2.3" }, { "last_affected": "0.2.3" }, { "introduced": "0.2.4" }, { "last_affected": "0.2.4" }, { "introduced": "0.2.5" }, { "last_affected": "0.2.5" }, { "introduced": "0.2.6" }, { "last_affected": "0.2.6" }, { "introduced": "0.2.7" }, { "last_affected": "0.2.7" }, { "introduced": "0.2.8" }, { "last_affected": "0.2.8" }, { "introduced": "0.2.9" }, { "last_affected": "0.2.9" }, { "introduced": "0.2.10" }, { "last_affected": "0.2.10" }, { "introduced": "0.2.11" }, { "last_affected": "0.2.11" }, { "introduced": "0.2.12" }, { "last_affected": "0.2.12" }, { "introduced": "0.2.13" }, { "last_affected": "0.2.13" }, { "introduced": "0.2.14" }, { "last_affected": "0.2.14" }, { "introduced": "0.2.15" }, { "last_affected": "0.2.15" }, { "introduced": "0.2.16" }, { "last_affected": "0.2.16" }, { "introduced": "0.2.17" }, { "last_affected": "0.2.17" }, { "introduced": "0.2.18" }, { "last_affected": "0.2.18" }, { "introduced": "0.2.19" }, { "last_affected": "0.2.19" }, { "introduced": "0.2.20" }, { "last_affected": "0.2.20" }, { "introduced": "0.2.21" }, { "last_affected": "0.2.21" }, { "introduced": "0.2.22" }, { "last_affected": "0.2.22" }, { "introduced": "0.2.23" }, { "last_affected": "0.2.23" }, { "introduced": "0.2.24" }, { "last_affected": "0.2.24" }, { "introduced": "0.2.25" }, { "last_affected": "0.2.25" }, { "introduced": "0.2.26" }, { "last_affected": "0.2.26" }, { "introduced": "0.2.27" }, { "last_affected": "0.2.27" }, { "introduced": "0.2.28" }, { "last_affected": "0.2.28" }, { "introduced": "0.2.29" }, { "last_affected": "0.2.29" }, { "introduced": "0.2.30" }, { "last_affected": "0.2.30" }, { "introduced": "0.2.31" }, { "last_affected": "0.2.31" }, { "introduced": "0.2.32" }, { "last_affected": "0.2.32" }, { "introduced": "0.2.33" }, { "last_affected": "0.2.33" }, { "introduced": "0.2.34" }, { "last_affected": "0.2.34" }, { "introduced": "0.2.35" }, { "last_affected": "0.2.35" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" } ] } ] }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2173.json
- https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf
- https://nvd.nist.gov/vuln/detail/CVE-2025-2173
- https://vuldb.com/?id.299202
- https://vuldb.com/?submit.512798
- https://vuldb.com/?ctiid.299202
- https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce
- https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44
Affected packages
Git / github.com/zapping-vbi/zvbi
Affected ranges
- Type
- GIT
- Repo
- https://github.com/zapping-vbi/zvbi
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "0.2.36" }, { "last_affected": "0.2.36" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "0.2.37" }, { "last_affected": "0.2.37" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "0.2.38" }, { "last_affected": "0.2.38" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "0.2.39" }, { "last_affected": "0.2.39" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "0.2.40" }, { "last_affected": "0.2.40" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "0.2.41" }, { "last_affected": "0.2.41" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "0.2.42" }, { "last_affected": "0.2.42" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "0.2.43" }, { "last_affected": "0.2.43" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "fixed": "8def647eea27f7fd7ad33ff79c2d6d3e39948dce" } ], "source": "REFERENCES_COMMIT" }, { "original_tag": "v0.2.44", "range": [ { "fixed": "5169a428d51c3ae8ff7b0897e8a687d8e05e37b5" } ], "source": "REFERENCES_TAG" } ] }
Affected versions
0.*
0.2.36
0.2.37
0.2.38
0.2.39
0.2.40
0.2.41
0.2.42
0.2.43
v0.*
v0.2.36
v0.2.37
v0.2.38
v0.2.39
v0.2.40
v0.2.41
v0.2.42
v0.2.43
Database specific
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-2173.json"
vanir_signatures
[
{
"deprecated": false,
"digest": {
"function_hash": "278320372334635291000781110657751031426",
"length": 314
},
"id": "CVE-2025-2173-89e9d2a9",
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce",
"target": {
"file": "src/conv.c",
"function": "vbi_strndup_iconv_ucs2"
}
},
{
"deprecated": false,
"digest": {
"line_hashes": [
"236418409274287695980679645993776833311",
"2113039972650265613747954238032033699",
"205274793126479572868744640227180663116",
"61957097726171075011918389790531563813",
"292830790624497051751729043372991635118",
"192389124142302425530670684497088128878"
],
"threshold": 0.9
},
"id": "CVE-2025-2173-ba2fe8ca",
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce",
"target": {
"file": "src/conv.c"
}
}
]
vanir_signatures_modified
"2026-10-22T16:00:14Z"