CVE-2025-64486

Name	CVE-2025-64486
Description	calibre is an e-book manager. In versions 8.13.0 and prior, calibre does not validate filenames when handling binary assets in FB2 files, allowing an attacker to write arbitrary files on the filesystem when viewing or converting a malicious FictionBook file. This can be leveraged to achieve arbitrary code execution. This issue is fixed in version 8.14.0.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
calibre (PTS)	bullseye	5.12.0+dfsg-1+deb11u2	vulnerable
	bullseye (security)	5.12.0+dfsg-1+deb11u3	vulnerable
	bookworm	6.13.0+repack-2+deb12u4	vulnerable
	trixie	8.5.0+ds-1	vulnerable
	forky	8.13.0+ds+~0.10.5-3	vulnerable
	sid	8.14.0+ds+~0.10.5-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
calibre	source	(unstable)	8.14.0+ds+~0.10.5-1

Notes

https://github.com/kovidgoyal/calibre/security/advisories/GHSA-hpwq-c98h-xp8g
Fixed by: https://github.com/kovidgoyal/calibre/commit/6f94bce214bf7d43c829804db3741afa5e83c0c5 (v8.14.0)