CVE-2026-2869

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Source

https://cve.org/CVERecord?id=CVE-2026-2869

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2869.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-2869

Published

2026-02-21T15:15:58.607Z

Modified

2026-04-12T20:28:21.762803Z

Severity

5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

A vulnerability was identified in janet-lang janet up to 1.40.1. Affected by this vulnerability is the function janetc_varset of the file src/core/specials.c of the component handleattr Handler. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 1.41.0 addresses this issue. The identifier of the patch is 2fabc80151a2b8834ee59cda8a70453f848b40e5. The affected component should be upgraded.

References

Affected packages

Git / github.com/janet-lang/janet

Affected ranges

Type

GIT

Repo

https://github.com/janet-lang/janet

Events

Introduced

Last affected

1449ad8b31947999b2b6887fe633883106e5e65c

Fixed

2fabc80151a2b8834ee59cda8a70453f848b40e5

Fixed

10bb17199c28a86928ea5c2ba45cc3ecb04d0723

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.40.1"
        }
    ]
}

Affected versions

0.*

0.1.0

0.2.0

0.3.0

1.*

1.19.1-rc1

v0.*

v0.4.0

v0.4.1

v0.5.0

v0.6.0

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

v1.5.0

v1.5.1

v1.6.0

v1.7.0

v1.8.0

v1.8.1

v1.9.0

v1.9.1

Database specific

vanir_signatures_modified

"2026-04-12T20:28:21Z"

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2869.json"

vanir_signatures

[
    {
        "signature_version": "v1",
        "digest": {
            "length": 931.0,
            "function_hash": "143668926228802755183550167528013415745"
        },
        "target": {
            "function": "handleattr",
            "file": "src/core/specials.c"
        },
        "source": "https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5",
        "signature_type": "Function",
        "id": "CVE-2026-2869-8111fe32",
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "329890452706549536519937489020165748513",
                "290278030122053536173674145278593609669",
                "242366596892288387945178927541714431730",
                "149191039153554748423225000793620938172",
                "132051489078158550747494076001651974666",
                "2753380261145922660061269738994788001",
                "100991183878631780205354434253815748563",
                "102713213497635345728075581373934701682",
                "62740589184819234268975408004909808853",
                "337337083684266948158320554499561575242"
            ]
        },
        "target": {
            "file": "src/core/specials.c"
        },
        "source": "https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5",
        "signature_type": "Line",
        "id": "CVE-2026-2869-846de5c6",
        "deprecated": false
    }
]