{"id":"CVE-2026-111158","published":"2026-10-15T19:17:30.810","lastModified":"2026-10-16T18:25:45.343","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.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-125"],"vendors":[],"products":[],"references":[{"url":"https://github.com/EarthScope/libmseed","tags":[]},{"url":"https://github.com/EarthScope/libmseed/blob/d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8/parseutils.c#L192-L234","tags":[]},{"url":"https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223","tags":[]},{"url":"https://hackmd.io/@haind-pwn/libmseed-ms3detect-short-header-oob-read","tags":[]},{"url":"https://www.vulncheck.com/advisories/earthscope-libmseed-through-3.5.4-heap-out-of-bounds-read-via-ms3-detect","tags":[]}],"exploitRefs":[{"url":"https://github.com/EarthScope/libmseed","tags":[]},{"url":"https://github.com/EarthScope/libmseed/blob/d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8/parseutils.c#L192-L234","tags":[]},{"url":"https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223","tags":[]}],"hasPoc":true,"ai":null}