CVE-2026-111158
EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | earthscope |
| Product | libmseed |
| Published | Oct 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
EarthScope / libmseed
0 ≤ 3.5.4
References
hackmd.io: https://hackmd.io/@haind-pwn/libmseed-ms3detect-short-header-oob-read github.com: https://github.com/EarthScope/libmseed/blob/d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8/parseutils.c#L192-L234 github.com: https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223 github.com: https://github.com/EarthScope/libmseed vulncheck.com: https://www.vulncheck.com/advisories/earthscope-libmseed-through-3.5.4-heap-out-of-bounds-read-via-ms3-detect
Credits
HaiND from the Post and Telecommunication Institute of Technology