CVE-2026-26282 | THREATINT

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.

PUBLISHED Reserved 2026-02-12 | Published 2026-02-19 | Updated 2026-02-20 | Assigner GitHub_M

MEDIUM: 5.2CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-126: Buffer Over-read

Product status

>= 5.0.1252.0, < 6.0.1630.0

affected

References

github.com/...anaZip/security/advisories/GHSA-ccpc-2222-xv5c

github.com/user-attachments/files/25274143/poc.exe.zip

cve.org (CVE-2026-26282)

nvd.nist.gov (CVE-2026-26282)

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