#VU118842 Input validation error in Calibre - CVE-2025-64486

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU118842

#VU118842 Input validation error in Calibre - CVE-2025-64486

Published: November 28, 2025


Vulnerability identifier: #VU118842
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-64486
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Calibre
Software vendor:
Calibre

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to the application does not validate filenames when handling binary assets in FB2 files. A remote attacker can trick the victim into converting a malicious FictionBook file and write files to arbitrary locations on the system, leading to system compromise. 


Remediation

Install updates from vendor's website.

External links