medium6.1
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.
Impact
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.
Affected packages
This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/hashcat/hashcat
- https://github.com/hashcat/hashcat/blob/v7.1.2/src/filehandling.c#L1032-L1060
- https://github.com/hashcat/hashcat/commit/93b55d37d3b2340013d4036f10181ddc67d44249
- https://github.com/hashcat/hashcat/issues/4739
- https://www.vulncheck.com/advisories/hashcat-through-off-by-one-out-of-bounds-heap-write-in-fgetl