CVE-2026-123976

Name	CVE-2026-123976
Description	EDFbrowser before 2.16 contains an out-of-bounds write vulnerability in check_edf_file() that allows attackers to overflow the 256-element annot_ch array by supplying excessive annotation signals. Attackers can craft an EDF+ or BDF+ file with more than 256 annotation signals to overwrite edfhdrblock members, including the signal parameter pointer, crashing the application when opened.
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
edfbrowser (PTS)	bookworm	2.00+dfsg-1	vulnerable
	trixie	2.12+dfsg-1	vulnerable
	forky, sid	2.15+dfsg-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
edfbrowser	source	(unstable)	(unfixed)

https://gitlab.com/Teuniz/EDFbrowser/-/commit/f64cec4a22af34adb7bbdf5fec12cb3a880ddc5a (v2.16)