CVE-2011-3170: Apple Cups

Medium severity, CVSS 5.1. EPSS: 3.9% chance of exploitation in the next 30 days.

The gif_read_lzw function in filter/image-gif.c in CUPS 1.4.8 and earlier does not properly handle the first code word in an LZW stream, which allows remote attackers to trigger a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted stream, a different vulnerability than CVE-2011-2896.

Affected products

• Apple Cups: up to and including 1.4.8; version 1.1 only; version 1.1.1 only; version 1.1.2 only; version 1.1.3 only; version 1.1.4 only; …

Published 2011-08-19. Last modified 2026-06-16.