{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.0"
              },
              {
                "last_affected": "1.0"
              },
              {
                "introduced": "1.1"
              },
              {
                "last_affected": "1.1"
              },
              {
                "introduced": "1.2"
              },
              {
                "last_affected": "1.2"
              },
              {
                "introduced": "1.3"
              },
              {
                "last_affected": "1.3"
              },
              {
                "introduced": "1.4"
              },
              {
                "last_affected": "1.4"
              },
              {
                "introduced": "1.5"
              },
              {
                "last_affected": "1.5"
              },
              {
                "introduced": "1.6"
              },
              {
                "last_affected": "1.6"
              },
              {
                "introduced": "1.7"
              },
              {
                "last_affected": "1.7"
              },
              {
                "introduced": "1.8"
              },
              {
                "last_affected": "1.8"
              },
              {
                "introduced": "1.9"
              },
              {
                "last_affected": "1.9"
              },
              {
                "introduced": "1.10"
              },
              {
                "last_affected": "1.10"
              },
              {
                "introduced": "1.11"
              },
              {
                "last_affected": "1.11"
              },
              {
                "introduced": "1.12"
              },
              {
                "last_affected": "1.12"
              },
              {
                "introduced": "1.13"
              },
              {
                "last_affected": "1.13"
              },
              {
                "introduced": "1.15"
              },
              {
                "last_affected": "1.15"
              },
              {
                "introduced": "1.16"
              },
              {
                "last_affected": "1.16"
              },
              {
                "introduced": "1.17"
              },
              {
                "last_affected": "1.17"
              },
              {
                "introduced": "1.18"
              },
              {
                "last_affected": "1.18"
              },
              {
                "introduced": "1.19"
              },
              {
                "last_affected": "1.19"
              },
              {
                "introduced": "1.20"
              },
              {
                "last_affected": "1.20"
              },
              {
                "introduced": "1.21"
              },
              {
                "last_affected": "1.21"
              },
              {
                "introduced": "1.22"
              },
              {
                "last_affected": "1.22"
              },
              {
                "introduced": "1.23"
              },
              {
                "last_affected": "1.23"
              },
              {
                "introduced": "1.24"
              },
              {
                "last_affected": "1.24"
              },
              {
                "introduced": "1.25"
              },
              {
                "last_affected": "1.25"
              },
              {
                "introduced": "1.26"
              },
              {
                "last_affected": "1.26"
              },
              {
                "introduced": "1.27"
              },
              {
                "last_affected": "1.27"
              },
              {
                "introduced": "1.28"
              },
              {
                "last_affected": "1.28"
              },
              {
                "introduced": "1.29"
              },
              {
                "last_affected": "1.29"
              },
              {
                "introduced": "1.30"
              },
              {
                "last_affected": "1.30"
              },
              {
                "introduced": "1.31"
              },
              {
                "last_affected": "1.31"
              },
              {
                "introduced": "1.32"
              },
              {
                "last_affected": "1.32"
              },
              {
                "introduced": "1.33"
              },
              {
                "last_affected": "1.33"
              },
              {
                "introduced": "1.34"
              },
              {
                "last_affected": "1.34"
              },
              {
                "introduced": "1.35"
              },
              {
                "last_affected": "1.35"
              },
              {
                "introduced": "1.36"
              },
              {
                "last_affected": "1.36"
              },
              {
                "introduced": "1.37"
              },
              {
                "last_affected": "1.37"
              },
              {
                "introduced": "1.38"
              },
              {
                "last_affected": "1.38"
              },
              {
                "introduced": "1.39"
              },
              {
                "last_affected": "1.39"
              },
              {
                "introduced": "1.40"
              },
              {
                "last_affected": "1.40"
              },
              {
                "introduced": "1.41.0"
              },
              {
                "last_affected": "1.41.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "d66f8333c1d0324f43ec59ad4b66a88d52ec8f4b"
            },
            {
              "fixed": "d9b1d711ea1fde52ac73a82088b512a3e17bad0d"
            }
          ],
          "repo": "https://github.com/janet-lang/janet",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.0",
        "1.1",
        "1.10",
        "1.11",
        "1.12",
        "1.13",
        "1.15",
        "1.16",
        "1.17",
        "1.18",
        "1.19",
        "1.2",
        "1.20",
        "1.21",
        "1.22",
        "1.23",
        "1.24",
        "1.25",
        "1.26",
        "1.27",
        "1.28",
        "1.29",
        "1.3",
        "1.30",
        "1.31",
        "1.32",
        "1.33",
        "1.34",
        "1.35",
        "1.36",
        "1.37",
        "1.38",
        "1.39",
        "1.4",
        "1.40",
        "1.41.0",
        "1.5",
        "1.6",
        "1.7",
        "1.8",
        "1.9"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-189",
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10268.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "1.14"
          },
          {
            "last_affected": "1.14"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A weakness has been identified in janet-lang janet up to 1.41.0. This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c. Executing a manipulation can lead to integer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d9b1d711ea1fde52ac73a82088b512a3e17bad0d. A patch should be applied to remediate this issue.",
  "id": "CVE-2026-10268",
  "modified": "2026-07-15T01:49:07.261278273Z",
  "published": "2026-06-01T15:00:12.912Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/janet-lang/janet/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10268.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-10268"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-10268"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/825075"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/367547"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/janet-lang/janet/issues/1744"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/367547/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/janet-lang/janet/commit/d9b1d711ea1fde52ac73a82088b512a3e17bad0d"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/biniamf/pocs/tree/main/janet-marsh-unmarshal-intovf"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "janet-lang janet marsh.c unmarshal_one_fiber integer overflow"
}