{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-44215", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-05T15:13:47.572Z", "datePublished": "2026-05-12T19:23:43.798Z", "dateUpdated": "2026-05-13T15:37:40.830Z" }, "containers": { "cna": { "title": "NanaZip: Heap out-of-bounds write in NanaZip UFS directory parser", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-787", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L", "version": "3.1" } } ], "references": [ { "name": "https://github.com/M2Team/NanaZip/security/advisories/GHSA-44wh-7gc3-w936", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/M2Team/NanaZip/security/advisories/GHSA-44wh-7gc3-w936" } ], "affected": [ { "vendor": "M2Team", "product": "NanaZip", "versions": [ { "version": ">= 5.0.1250.0, < 6.0.1698.0", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-12T19:23:43.798Z" }, "descriptions": [ { "lang": "en", "value": "NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a one-byte heap out-of-bounds null write exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS filesystem image. The attacker controls the byte offset of the write within a ~254-byte window past the heap allocation boundary. This vulnerability is fixed in 6.0.1698.0." } ], "source": { "advisory": "GHSA-44wh-7gc3-w936", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/M2Team/NanaZip/security/advisories/GHSA-44wh-7gc3-w936", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-13T14:57:57.146196Z", "id": "CVE-2026-44215", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-13T15:37:40.830Z" } } ] } }