CVE-2026-47223
- Source
- https://cve.org/CVERecord?id=CVE-2026-47223
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47223.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-47223
- Aliases
-
- GHSA-qhc5-mh6j-4g75
- Published
- 2026-06-12T17:06:15Z
- Modified
- 2026-10-28T02:30:39Z
- Severity
-
- 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L CVSS Calculator
- Summary
- NanaZip: Heap out-of-bounds read in NanaZip AVB hashtree descriptor parser via 32-bit unsigned integer overflow
- Details
-
NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot (AVB) vbmeta image parser in NanaZip (via the upstream 7-Zip AvbHandler). A 32-bit unsigned integer overflow in the bounds check pos + ht.salt_len > descSize allows an attacker-controlled salt_len field to bypass validation, causing CByteBuffer::CopyFrom to memcpy up to ~4 GiB past the end of a 64. This issue has been patched in stable version 6.0.1698.0 and preview version 6.5.1742.0.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-125", "CWE-190" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47223.json" }- References
Affected packages
Git / github.com/m2team/nanazip
Affected ranges
- Type
- GIT
- Repo
- https://github.com/m2team/nanazip
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "3.0.1000.0" }, { "fixed": "6.0.1698.0" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "range": [ { "introduced": "0" }, { "fixed": "6.0.1698.0" } ], "source": "DESCRIPTION" } ] }