CVE-2026-44215

Description

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.

PUBLISHED Reserved 2026-05-05 | Published 2026-05-12 | Updated 2026-05-13 | Assigner GitHub_M

Problem types

CWE-787: Out-of-bounds Write

Product status

References

github.com/...anaZip/security/advisories/GHSA-44wh-7gc3-w936 exploit

github.com/...anaZip/security/advisories/GHSA-44wh-7gc3-w936

cve.org (CVE-2026-44215)

nvd.nist.gov (CVE-2026-44215)

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