CVE-2026-10268

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Source
https://cve.org/CVERecord?id=CVE-2026-10268
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-10268.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-10268
Published
2026-06-01T15:00:12Z
Modified
2026-10-28T11:06:48Z
Severity
  • 1.9 (Low) CVSS_V4 - 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 CVSS Calculator
Summary
janet-lang janet marsh.c unmarshal_one_fiber integer overflow
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.

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": [
                {
                    "range": [
                        {
                            "introduced": "1.14"
                        },
                        {
                            "last_affected": "1.14"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/janet-lang/janet

Affected ranges

Type
GIT
Repo
https://github.com/janet-lang/janet
Events
Introduced
d66f8333c1d0324f43ec59ad4b66a88d52ec8f4b
Fixed
d9b1d711ea1fde52ac73a82088b512a3e17bad0d
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "1.0"
                },
                {
                    "last_affected": "1.0"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.1"
                },
                {
                    "last_affected": "1.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.2"
                },
                {
                    "last_affected": "1.2"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.3"
                },
                {
                    "last_affected": "1.3"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.4"
                },
                {
                    "last_affected": "1.4"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.5"
                },
                {
                    "last_affected": "1.5"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.6"
                },
                {
                    "last_affected": "1.6"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.7"
                },
                {
                    "last_affected": "1.7"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.8"
                },
                {
                    "last_affected": "1.8"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.9"
                },
                {
                    "last_affected": "1.9"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.10"
                },
                {
                    "last_affected": "1.10"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.11"
                },
                {
                    "last_affected": "1.11"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.12"
                },
                {
                    "last_affected": "1.12"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.13"
                },
                {
                    "last_affected": "1.13"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.15"
                },
                {
                    "last_affected": "1.15"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.16"
                },
                {
                    "last_affected": "1.16"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.17"
                },
                {
                    "last_affected": "1.17"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.18"
                },
                {
                    "last_affected": "1.18"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.19"
                },
                {
                    "last_affected": "1.19"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.20"
                },
                {
                    "last_affected": "1.20"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.21"
                },
                {
                    "last_affected": "1.21"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.22"
                },
                {
                    "last_affected": "1.22"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.23"
                },
                {
                    "last_affected": "1.23"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.24"
                },
                {
                    "last_affected": "1.24"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.25"
                },
                {
                    "last_affected": "1.25"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.26"
                },
                {
                    "last_affected": "1.26"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.27"
                },
                {
                    "last_affected": "1.27"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.28"
                },
                {
                    "last_affected": "1.28"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.29"
                },
                {
                    "last_affected": "1.29"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.30"
                },
                {
                    "last_affected": "1.30"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.31"
                },
                {
                    "last_affected": "1.31"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.32"
                },
                {
                    "last_affected": "1.32"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.33"
                },
                {
                    "last_affected": "1.33"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.34"
                },
                {
                    "last_affected": "1.34"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.35"
                },
                {
                    "last_affected": "1.35"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.36"
                },
                {
                    "last_affected": "1.36"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.37"
                },
                {
                    "last_affected": "1.37"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.38"
                },
                {
                    "last_affected": "1.38"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.39"
                },
                {
                    "last_affected": "1.39"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.40"
                },
                {
                    "last_affected": "1.40"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "1.41.0"
                },
                {
                    "last_affected": "1.41.0"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "fixed": "d9b1d711ea1fde52ac73a82088b512a3e17bad0d"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

1.*
1.0
1.1
1.10
1.11
1.12
1.13
1.15
1.16
1.17
1.18
1.19
1.19.1-rc1
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
v1.*
v1.0.0
v1.1.0
v1.13.0
v1.13.1
v1.14.1
v1.14.2
v1.15.0
v1.15.1
v1.15.2
v1.15.3
v1.15.4
v1.15.5
v1.16.0
v1.16.1
v1.17.0
v1.17.1
v1.17.2
v1.18.0
v1.18.1
v1.19.0
v1.19.1
v1.19.2
v1.2.0
v1.20.0
v1.21.0
v1.21.1
v1.21.2
v1.22.0
v1.23.0
v1.24.0
v1.24.1
v1.25.0
v1.25.1
v1.26.0
v1.27.0
v1.28.0
v1.29.0
v1.29.1
v1.30.0
v1.31.0
v1.32.0
v1.32.1
v1.33.0
v1.34.0
v1.35.0
v1.35.1
v1.35.2
v1.36.0
v1.37.0
v1.37.1
v1.38.0
v1.39.0
v1.39.1
v1.4.0
v1.40.0
v1.40.1
v1.41.0
v1.41.1
v1.41.2
v1.5.0
v1.5.1
v1.6.0
v1.7.0
v1.8.0
v1.8.1
v1.9.0
v1.9.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-10268.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "118727020596014839685098805983286489842",
            "length": 3271
        },
        "id": "CVE-2026-10268-82446426",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/janet-lang/janet/commit/d9b1d711ea1fde52ac73a82088b512a3e17bad0d",
        "target": {
            "file": "src/core/marsh.c",
            "function": "unmarshal_one_fiber"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "244347338866202072526395594737916237264",
                "331083265366507787285551742782555731993",
                "322566062036253794471670933391146643464",
                "131560298501921962171823750106052235258"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-10268-d03da651",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/janet-lang/janet/commit/d9b1d711ea1fde52ac73a82088b512a3e17bad0d",
        "target": {
            "file": "src/core/marsh.c"
        }
    }
]
vanir_signatures_modified 
"2026-10-28T11:06:48Z"