CVE-2026-111158EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect
Updated under an hour ago ()
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It affects EarthScope libmseed. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-125
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
EarthScope libmseed earthscope:libmseed (from the name) | through 3.5.4 | CNA record |
References
- https://hackmd.io/@haind-pwn/libmseed-ms3detect-short-header-oob-readtechnical-description, exploit
- https://github.com/EarthScope/libmseed/blob/d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8/parseutils.c#L192-L234technical-description
- https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223patch
- https://github.com/EarthScope/libmseedproduct
- https://www.vulncheck.com/advisories/earthscope-libmseed-through-3.5.4-heap-out-of-bounds-read-via-ms3-detectthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.