CVE-2011-3170

Severity: medium (CVSS 5.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-08-19 · updated 2026-06-16
Weakness: CWE-119

Description

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

cups: through 1.4.8; 1.1, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5 (+86)

References

http://cups.org/str.php?L3914
http://secunia.com/advisories/45796
http://secunia.com/advisories/46024
http://security.gentoo.org/glsa/glsa-201207-10.xml
http://www.debian.org/security/2011/dsa-2354
http://www.mandriva.com/security/advisories?name=MDVSA-2011:146
http://www.mandriva.com/security/advisories?name=MDVSA-2011:147
http://www.securityfocus.com/bid/49323
http://www.securitytracker.com/id?1025980
http://www.ubuntu.com/usn/USN-1207-1
https://bugzilla.redhat.com/show_bug.cgi?id=727800
https://exchange.xforce.ibmcloud.com/vulnerabilities/69380

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