{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.5.4"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8"
            },
            {
              "fixed": "c93a36a1381e944b59b10967342ee1cb94304223"
            }
          ],
          "repo": "https://github.com/earthscope/libmseed",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111158.json"
  },
  "details": "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.",
  "id": "CVE-2026-111158",
  "modified": "2026-10-17T02:30:31.207591826Z",
  "published": "2026-10-15T18:57:46.924Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111158.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111158"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/earthscope-libmseed-through-3.5.4-heap-out-of-bounds-read-via-ms3-detect"
    },
    {
      "type": "FIX",
      "url": "https://github.com/EarthScope/libmseed/commit/c93a36a1381e944b59b10967342ee1cb94304223"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/EarthScope/libmseed"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/EarthScope/libmseed/blob/d6e6ad306de5b7bdde072e5a5e3d58ddcc11abd8/parseutils.c#L192-L234"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackmd.io/@haind-pwn/libmseed-ms3detect-short-header-oob-read"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect"
}