CVE-2026-105839

Name	CVE-2026-105839
Description	libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.
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
libmikmod (PTS)	bookworm	3.3.11.1-7	vulnerable
	trixie	3.3.13-1	vulnerable
	forky, sid	3.3.15-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libmikmod	source	(unstable)	3.3.14-1

Notes

[trixie] - libmikmod <no-dsa> (Minor issue)
[bookworm] - libmikmod <postponed> (Minor issue)
Fixed by: https://github.com/sezero/mikmod/commit/097b69281fad6ba38a553569e6f55dbfdd71dc2a (libmikmod-3.3.14)