{"id":"CVE-2026-26282","aliases":["EUVD-2026-8310","GHSA-ccpc-2222-xv5c"],"status":"published","title":"NanaZip has DotNet Single file OOB Heap Read","description":"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.","severity":{"version":"4.0","score":5.2,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00205,"percentile":0.10626,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-126"],"published":"2026-02-19T20:41:49Z","modified":"2026-10-28T02:30:23Z","products":[{"vendor":"m2team","product":"nanazip"}],"references":[{"url":"https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c","tags":["x_refsource_CONFIRM","Exploit","Third Party Advisory","advisory"]},{"url":"https://github.com/user-attachments/files/25274143/poc.exe.zip","tags":["x_refsource_MISC","Exploit","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26282.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26282","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-26282","title":"NanaZip has DotNet Single file OOB Heap Read","description":"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.","status":"published","published":"2026-02-19T20:41:49.223Z","modified":"2026-02-20T20:02:32.672Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-8310","description":"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.","status":"published","published":"2026-02-19T20:41:49Z","modified":"2026-02-20T20:02:32Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T19:48:36.125178Z"}],"nvd":[{"id":"CVE-2026-26282","description":"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.","status":"published","published":"2026-02-19T21:18:31.5Z","modified":"2026-06-17T10:26:02.38Z","cvss":[{"version":"4.0","score":5.2,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-126","CWE-125"],"updated_at":"2026-11-02T14:12:06.274729Z"}],"osv":[{"id":"CVE-2026-26282","title":"NanaZip has DotNet Single file OOB Heap Read","description":"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.","status":"published","published":"2026-02-19T20:41:49.223Z","modified":"2026-10-28T02:30:23.436456095Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T15:44:59.80315Z"}]}}