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    CVE-2019-12495

    An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to a one-byte out-of-bounds write in the gsym_addr function in x86_64-gen.c. This occurs because tccasm.c mishandles section switches.

    Published:May 31, 2019
    Last Modified:Nov 21, 2024
    EPS:May 31, 2019
    EPSS Score:0.00198
    CVSS Score:5.5

    Affected Products

    Vendor
    Tinycc
    Product
    Tinycc

    Exploits

    https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.htmlhttps://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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