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    CVE-2022-1212

    Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

    Published:Apr 5, 2022
    Last Modified:Nov 21, 2024
    EPS:Apr 5, 2022
    EPSS Score:0.00315
    CVSS Score:9.8

    Affected Products

    Vendor
    Mruby
    Product
    Mruby

    Exploits

    https://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abehttps://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abe

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-13397 (CVSS 4.8) — A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbc_raw_realloc of …
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    CVE-2025-7207 (CVSS 1.9) — A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the func…
    CVE-2021-46023 (CVSS 7.5) — An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby before 3.1.0-rc. The vulnerab…
    CVE-2022-1934 (CVSS 7.8) — Use After Free in GitHub repository mruby/mruby prior to 3.2.…
    CVE-2022-1427 (CVSS 7.8) — Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible …
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    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