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    CVE-2026-2242

    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:Feb 9, 2026
    Last Modified:Apr 18, 2026
    EPS:Feb 9, 2026
    EPSS Score:0.00027
    CVSS Score:3.3

    Affected Products

    Vendor
    Janet-lang
    Product
    Janet

    Exploits

    https://github.com/janet-lang/janet/issues/1700https://github.com/janet-lang/janet/issues/1702https://github.com/oneafter/0123/blob/main/ja2/repro

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High