CVE-2026-27114

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular `NextOffset` chains cause an infinite loop in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
m2teamnanazip
5.0.1252.0 ≤
𝑥
< 6.0.1630.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/M2Team/NanaZip/security/advisories/GHSA-hfg9-6rf9-5pgx
https://github.com/user-attachments/files/25274528/poc.zip