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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-68767 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulnCheck
CVSS-B 6.9 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/hashcat/hashcat VulnCheck
https://github.com/hashcat/hashcat/blob/v7.1.2/src/filehandling.c#L1032-L1060 VulnCheck
https://github.com/hashcat/hashcat/commit/93b55d37d3b2340013d4036f10181ddc67d44249 VulnCheck
https://github.com/hashcat/hashcat/issues/4739 VulnCheck
https://www.vulncheck.com/advisories/hashcat-through-off-by-one-out-of-bounds-heap-write-in-fgetl VulnCheck

Weakness Enumeration

CWE-ID CWE Name Source
CWE-193 Off-by-one Error VulnCheck  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-68767
NVD Published Date:
08/22/2026
NVD Last Modified:
08/22/2026
Source:
VulnCheck