CVE-2026-50593

Name	CVE-2026-50593
Description	Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within the allowed slot-map range.
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
graphite2 (PTS)	bookworm, bullseye	1.3.14-1	vulnerable
	trixie	1.3.14-2	vulnerable
	forky, sid	1.3.15-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
graphite2	source	(unstable)	1.3.15-2

Notes

[trixie] - graphite2 <no-dsa> (Minor issue; can be fixed via point release)
[bookworm] - graphite2 <no-dsa> (Minor issue; can be fixed via point release)
[bullseye] - graphite2 <postponed> (Minor issue)
Fixed by: https://github.com/silnrsi/graphite/commit/ad78c6b7319909e1540c1b134e115ced03417866 (1.3.15)