janet-lang janet specials.c janetc_if out-of-bounds_CVE-2026-2242

{
    "lastseen": "",
    "description": "A vulnerability was determined in janet-lang janet up to 1.40.1. This impacts the function janetc_if of the file src/core/specials.c. Executing a manipulation can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called c43e06672cd9dacf2122c99f362120a17c34b391. It is advisable to implement a patch to correct this issue.",
    "published": "2026-02-09T17:02:09.705Z",
    "modified": "2026-02-09T17:02:09.705Z",
    "type": "cve",
    "title": "janet-lang janet specials.c janetc_if out-of-bounds",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.344981\nhttps://vuldb.com/?ctiid.344981\nhttps://vuldb.com/?submit.754495\nhttps://github.com/janet-lang/janet/issues/1700\nhttps://github.com/janet-lang/janet/issues/1702\nhttps://github.com/oneafter/0123/blob/main/ja2/repro\nhttps://github.com/janet-lang/janet/commit/c43e06672cd9dacf2122c99f362120a17c34b391\nhttps://github.com/janet-lang/janet/",
    "id": "CVE-2026-2242",
    "bulletinFamily": "",
    "cwe": [
        "CWE-125",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "janet-lang janet 1.40.0\njanet-lang janet 1.40.1",
    "sourceHref": "",
    "cvss": {
        "score": 4.8,
        "severity": "MEDIUM",
        "vector": "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "janet",
    "version": "1.40.0",
    "vendor": "janet-lang",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}