6.1

CVE-2026-45384

bit7z: Arbitrary File Overwrite via Symlink Attack on Predictable Temp File During Archive Update

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, there is an arbitrary file overwrite vulnerability via symlink attack on predictable temp files during archive update. This issue has been patched in version 4.0.12.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Herstellerrikyoz
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Produkt bit7z
Version < 4.0.12
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.13% 0.025
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 6.1 1.8 4.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
CWE-377 Insecure Temporary File

Creating and using insecure temporary files can leave application and system data vulnerable to attack.

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

https://github.com/rikyoz/bit7z/releases/tag/v4.0.12
https://github.com/rikyoz/bit7z/security/advisories/GHSA-wjch-42rm-q53h