CVE-2006-4335: Gzip

High severity, CVSS 7.5. EPSS: 5.8% chance of exploitation in the next 30 days.

Array index error in the make_table function in unlzh.c in the LZH decompression component in gzip 1.3.5, when running on certain platforms, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted GZIP archive that triggers an out-of-bounds write, aka a "stack modification vulnerability."

Affected products

• Gzip Gzip: version 1.3.5 only

Published 2006-09-19. Last modified 2026-06-16.