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    CVE-2026-68767

    hashcat's fgetl() function in src/filehandling.c writes a null terminator one byte past the caller's buffer when an input line is exactly the buffer length. Attackers can trigger this out-of-bounds heap write by providing a hash file, potfile, or wordlist containing a line of exactly HCBUFSIZ_LARGE bytes.

    Published:Aug 22, 2026
    Last Modified:Aug 26, 2026
    EPS:Aug 22, 2026
    EPSS Score:0.00128
    CVSS Score:6.1

    Affected Products

    Vendor
    Hashcat
    Product
    Hashcat

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-193 Off-by-one Error

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-68768 (CVSS 6.9) — hashcat contains a heap-based buffer overflow (out-of-bounds write) in the outfile_write() function in src/out…
    CVE-2026-68766 (CVSS 8.5) — hashcat fails to restrict command-line options when parsing restore files, allowing attackers to inject output…
    CVE-2026-68765 (CVSS 5.2) — hashcat master branch builds after v7.1.2 contain a heap buffer overflow vulnerability in the KeePass AESKDF/K…
    CVE-2026-42482 (CVSS 9.8) — A stack-based buffer overflow in mangle_to_hex_lower() and mangle_to_hex_upper() in src/rp_cpu.c in hashcat v7…
    CVE-2026-42483 (CVSS 9.8) — A heap-based buffer overflow in the Kerberos hash parser in hashcat v7.1.2 allows an attacker to cause a denia…
    CVE-2026-42484 (CVSS 9.8) — A heap-based buffer overflow in hex_to_binary in the PKZIP hash parser in hashcat v7.1.2 allows an attacker to…

    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