CVE-2026-111158

MediumCVSS 5.5/10Last modified Oct 16, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
EarthScope	libmseed	<= 3.5.4

References

Timeline

Published: Oct 15, 2026
Last modified: Oct 16, 2026
NVD status: Deferred

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