CVE-2026-107168

Name	CVE-2026-107168
Description	A flaw was found in m17n-lib. By providing crafted input containing an invalid UTF-8 character sequence, an attacker can cause the text parsing function to enter an infinite loop. This issue leads to sustained high CPU utilization, resulting in a Denial of Service (DoS) for the affected application.
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)
Debian Bugs	1150458

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
m17n-lib (PTS)	bookworm	1.8.0-6	vulnerable
	trixie	1.8.5-1	vulnerable
	forky, sid	1.8.7-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
m17n-lib	source	(unstable)	1.8.7-1			1150458

Notes

[trixie] - m17n-lib <no-dsa> (Minor issue)
[bookworm] - m17n-lib <postponed> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2547409
https://cgit.git.savannah.nongnu.org/cgit/m17n/m17n-lib.git/commit/?id=5425465087cf69e423edd73d10f40e645ab35964 (REL-1-8-7)