UBUNTU-CVE-2018-20374

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    UBUNTU-CVE-2018-20374

    Published: 23 Dec 2018Last Modified: 20 May 2026
    Upstream:
    CVE-2018-20374

    Summary:

    Details: An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 8 byte out of bounds write in the use_section1 function in tccasm.c.

    References: https://ubuntu.com/security/CVE-2018-20374, https://lists.nongnu.org/archive/html/tinycc-devel/2018-12/msg00015.html, https://www.cve.org/CVERecord?id=CVE-2018-20374

    Affected packages

    Package

    Name: tcc

    Purl: pkg:deb/ubuntu/tcc?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.9.27~git20140923.9d7fb33-3ubuntu1
    0.9.27~git20151227.933c223-1

    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