{"id":"CVE-2026-26282","summary":"NanaZip has DotNet Single file OOB Heap Read","details":"NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.","aliases":["GHSA-ccpc-2222-xv5c"],"modified":"2026-07-15T01:49:18.022548427Z","published":"2026-02-19T20:41:49.223Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-126"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26282.json"},"references":[{"type":"WEB","url":"https://github.com/user-attachments/files/25274143/poc.exe.zip"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26282.json"},{"type":"ADVISORY","url":"https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26282"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/m2team/nanazip","events":[{"introduced":"401fa98a9aeaeef137d66303ccbb442366b46e51"},{"fixed":"b85cd620c0b36e8ceaa4d73f8bcd465fe79f27f4"}],"database_specific":{"cpe":"cpe:2.3:a:m2team:nanazip:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.0.1252.0"},{"fixed":"6.0.1630.0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["6.0.1621.0","6.0.1461.0","5.1.1263.0","5.0.1263.0","5.1.1252.0","5.0.1252.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26282.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"}]}