CVE-2026-68767CWE-193

CVE-2026-68767

Medium · published August 22, 2026

CVSS v3.1

6.1

EPSS

Percentile

6.3

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 6.1 · MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
CVSS v4.0: 6.9 · 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
EPSS: 0.00172 · 6.3th percentile
Weakness: CWE-193 · Off-by-one Error
Published: 2026-08-22T19:16Z

References (5)

https://github.com/hashcat/hashcat · [email protected]https://github.com/hashcat/hashcat/blob/v7.1.2/src/filehandling.c#L1032-L1060 · [email protected]https://github.com/hashcat/hashcat/commit/93b55d37d3b2340013d4036f10181ddc67d44249 · [email protected]https://github.com/hashcat/hashcat/issues/4739 · [email protected]https://www.vulncheck.com/advisories/hashcat-through-off-by-one-out-of-bounds-heap-write-in-fgetl · [email protected]

EPSS history

Timeline

22 AUG 14:12Z
hashcat through 7.1.2 Off-by-One Out-of-Bounds Heap Write in fgetl()
cvelistv5