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    CVE-2026-111678

    Antiword through 0.37 contains a stack out-of-bounds read vulnerability in vGet8PapInfo and vGet8ChrInfo in prop8.c because FKP run counts and grpprl offsets are not bounded. Attackers can supply a crafted .doc file with malicious FKP pages to read past the 512-byte stack buffer, crashing antiword or corrupting style parsing.

    Published:Oct 16, 2026
    Last Modified:Oct 23, 2026
    EPS:Oct 16, 2026
    EPSS Score:0.00167
    CVSS Score:3.3

    Affected Products

    Vendor
    Adri Van Os
    Product
    Antiword
    Vendor
    Antiword Project
    Product
    Antiword

    Exploits

    https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-readhttps://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    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