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
2026-02-28T08:01:16.275844Z
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
0 Unknown introduced commit / All previous commits are affected
Fixed
10bb17199c28a86928ea5c2ba45cc3ecb04d0723
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
2fabc80151a2b8834ee59cda8a70453f848b40e5

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
v1.10.0
v1.10.1
v1.11.0
v1.11.1
v1.11.2
v1.11.3
v1.12.0
v1.12.1
v1.12.2
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
v1.3.0
v1.3.1
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 
[
    {
        "id": "CVE-2026-2869-8111fe32",
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5",
        "target": {
            "function": "handleattr",
            "file": "src/core/specials.c"
        },
        "digest": {
            "length": 931.0,
            "function_hash": "143668926228802755183550167528013415745"
        },
        "signature_type": "Function"
    },
    {
        "id": "CVE-2026-2869-846de5c6",
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5",
        "target": {
            "file": "src/core/specials.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "329890452706549536519937489020165748513",
                "290278030122053536173674145278593609669",
                "242366596892288387945178927541714431730",
                "149191039153554748423225000793620938172",
                "132051489078158550747494076001651974666",
                "2753380261145922660061269738994788001",
                "100991183878631780205354434253815748563",
                "102713213497635345728075581373934701682",
                "62740589184819234268975408004909808853",
                "337337083684266948158320554499561575242"
            ]
        },
        "signature_type": "Line"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2869.json"