CVE-2026-111158

Name	CVE-2026-111158
Description	EarthScope libmseed through 3.5.4 contains a heap out-of-bounds read vulnerability in ms3_detect() in parseutils.c that reads past truncated miniSEED 2 record buffers. Attackers can supply a 40 to 47 byte buffer passing MS2_ISVALIDHEADER to msr3_parse() or ms3_detect(), over-reading up to 8 bytes and potentially crashing the process.
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
libmseed (PTS)	bookworm, trixie	2.19.8-1	fixed
	forky, sid	2.19.9-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libmseed	source	(unstable)	(not affected)

Notes

- libmseed <not-affected> (Vulnerable code introduced later; specific to 3.x API)
Introduced with: https://github.com/EarthScope/libmseed/commit/d6efc404dde3f2409c8309ab1630fc56b02698a0 (v3.0.0)
Fixed by: https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223