{"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"}}]}}