CVE-2018-20456

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    CVE-2018-20456

    Published: 25 Dec 2018Last Modified: 7 Aug 2026

    Summary:

    Details: In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.

    References: https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185, https://github.com/radare/radare2/issues/12372

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -b143e1b1b5622ef2f41a90f4c0f7ed4c477caf40

    Affected versions

    3.1.0

    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