CVE-2026-111158
EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect
- State
- Published
- Severity
- 6.8 Medium
- Published
- Oct 15, 2026
- Updated
- Oct 15, 2026
- Reserved
- Oct 15, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
libmseedEarthScope |
|
References
- https://hackmd.io/@haind-pwn/libmseed-ms3detect-short-header-oob-readtechnical-descriptionexploit
- https://github.com/EarthScope/libmseed/blob/d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8/parseutils.c#L192-L234technical-description
- https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223patch
- https://github.com/EarthScope/libmseedproduct
- VulnCheck Advisory: EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detectthird-party-advisory
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