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    CVE-2023-48183

    QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.

    Published:Apr 23, 2024
    Last Modified:Oct 15, 2025
    EPS:Apr 23, 2024
    EPSS Score:0.00053
    CVSS Score:7.5

    Affected Products

    Vendor
    Quickjs Project
    Product
    Quickjs

    Exploits

    https://github.com/bellard/quickjs/issues/192https://github.com/bellard/quickjs/issues/192

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-62496 (CVSS 7.1) — A vulnerability exists in the QuickJS engine's BigInt string parsing logic (js_bigint_from_string) when attemp…
    CVE-2025-62495 (CVSS 7.1) — An integer overflow vulnerability exists in the QuickJS regular expression engine (libregexp) due to an incons…
    CVE-2025-62494 (CVSS 7.1) — A type confusion vulnerability exists in the handling of the string addition (+) operation within the QuickJS …
    CVE-2025-62493 (CVSS 5.9) — A vulnerability exists in the QuickJS engine's BigInt string conversion logic (js_bigint_to_string1) due to an…
    CVE-2025-62492 (CVSS 5.9) — A vulnerability stemming from floating-point arithmetic precision errors exists in the QuickJS engine's implem…
    CVE-2025-62491 (CVSS 8.8) — A Use-After-Free (UAF) vulnerability exists in the QuickJS engine's standard library when iterating over the g…
    CVE-2025-62490 (CVSS 8.8) — In quickjs, in js_print_object, when printing an array, the function first fetches the array length and then l…
    CVE-2025-46688 (CVSS 5.6) — quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-ba…

    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