{"id":"CVE-2026-111158","aliases":["DEBIAN-CVE-2026-111158","EUVD-2026-102285","GHSA-p3hv-2xrm-x5px","UBUNTU-CVE-2026-111158"],"status":"published","title":"EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect","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.","severity":{"version":"4.0","score":6.8,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00128,"percentile":0.02479,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-15T18:57:46Z","modified":"2026-10-28T17:50:35Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.8-1","2.19.9-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.8-1","2.19.9-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.8-1","2.19.9-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.5-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.6-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.6-1","2.19.6-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.8-1","2.19.8-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.8-1ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libmseed","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.19.8-1ubuntu2","2.19.8-1ubuntu3"]}],"products":[{"vendor":"earthscope","product":"libmseed"}],"references":[{"url":"https://hackmd.io/@haind-pwn/libmseed-ms3detect-short-header-oob-read","tags":["technical-description","exploit","evidence","report"]},{"url":"https://github.com/EarthScope/libmseed/blob/d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8/parseutils.c#L192-L234","tags":["technical-description","article","report"]},{"url":"https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223","tags":["patch","fix","report"]},{"url":"https://github.com/EarthScope/libmseed","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/earthscope-libmseed-through-3.5.4-heap-out-of-bounds-read-via-ms3-detect","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111158","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p3hv-2xrm-x5px"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111158.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-111158","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-111158","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-111158","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-111158","title":"EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect","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.","status":"published","published":"2026-10-15T18:57:46.924Z","modified":"2026-10-15T19:42:14.325Z","cvss":[{"version":"4.0","score":6.8,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:15.34316Z"}],"euvd":[{"id":"EUVD-2026-102285","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.","status":"published","published":"2026-10-15T18:57:46Z","modified":"2026-10-15T19:42:14Z","cvss":[{"version":"4.0","score":6.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:00:10.305867Z"}],"ghsa":[{"id":"GHSA-p3hv-2xrm-x5px","title":"EarthScope libmseed through 3.5.4 contains a heap out-of-bounds read vulnerability in ms3_detect(...","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.","status":"published","published":"2026-10-15T21:36:06Z","modified":"2026-10-15T21:36:12Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:13:49.297576Z"}],"nvd":[{"id":"CVE-2026-111158","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.","status":"published","published":"2026-10-15T19:17:30.81Z","modified":"2026-10-16T18:25:45.343Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:59.751798Z"}],"osv":[{"id":"CVE-2026-111158","title":"EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect","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.","status":"published","published":"2026-10-15T18:57:46.924Z","modified":"2026-10-28T11:06:36.450965643Z","cvss":[{"version":"4.0","score":6.8,"vector":"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","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-111158","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.","status":"published","published":"2026-10-15T19:17:30.81Z","modified":"2026-10-16T07:00:08.419257311Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-111158","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.","status":"published","published":"2026-10-15T19:17:00Z","modified":"2026-10-28T17:50:35Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":6.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}