CVE-2011-3170

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.

Published: 2011-08-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3170 is rated Moderate Risk (46.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.95%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-3170

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 9.15% 3.95% -5.20%
2 2026-02-18 7.69% 9.15% +1.46%
3 2025-03-30 — 7.69% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3170

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 4.9 6.4 [email protected]

Weakness enumeration for CVE-2011-3170

OS Trackers for CVE-2011-3170

vendor priority summary link
debian not yet assigned CVE-2011-3170 not yet assigned priority: Debian including 1 source packages (cups), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-3170
gentoo high CVE-2011-3170: 1 GLSA(s) (201207-10), 1 atom(s) (net-print/cups); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3170
redhat medium — https://access.redhat.com/security/cve/CVE-2011-3170
ubuntu medium CVE-2011-3170 medium priority: Ubuntu including 4 source packages (cups, cupsys, gimp, swi-prolog), 136 status rows across 34 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hardy, hirsute, impish, jammy, kinetic, lucid, lunar, mantic, maverick, natty, noble, oneiric, oracular, plucky, precise, quantal, questing, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 60 (6 distinct statuses). https://ubuntu.com/security/CVE-2011-3170

Affected software / configurations for CVE-2011-3170

Vendor Product Version Raw CPE
apple cups <= 1.4.8 cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*
apple cups 1.1 cpe:2.3:a:apple:cups:1.1:*:*:*:*:*:*:*
apple cups 1.1.1 cpe:2.3:a:apple:cups:1.1.1:*:*:*:*:*:*:*
apple cups 1.1.2 cpe:2.3:a:apple:cups:1.1.2:*:*:*:*:*:*:*
apple cups 1.1.3 cpe:2.3:a:apple:cups:1.1.3:*:*:*:*:*:*:*
apple cups 1.1.4 cpe:2.3:a:apple:cups:1.1.4:*:*:*:*:*:*:*
apple cups 1.1.5 cpe:2.3:a:apple:cups:1.1.5:*:*:*:*:*:*:*
apple cups 1.1.5-1 cpe:2.3:a:apple:cups:1.1.5-1:*:*:*:*:*:*:*
apple cups 1.1.5-2 cpe:2.3:a:apple:cups:1.1.5-2:*:*:*:*:*:*:*
apple cups 1.1.6 cpe:2.3:a:apple:cups:1.1.6:*:*:*:*:*:*:*
apple cups 1.1.6-1 cpe:2.3:a:apple:cups:1.1.6-1:*:*:*:*:*:*:*
apple cups 1.1.6-2 cpe:2.3:a:apple:cups:1.1.6-2:*:*:*:*:*:*:*
apple cups 1.1.6-3 cpe:2.3:a:apple:cups:1.1.6-3:*:*:*:*:*:*:*
apple cups 1.1.7 cpe:2.3:a:apple:cups:1.1.7:*:*:*:*:*:*:*
apple cups 1.1.8 cpe:2.3:a:apple:cups:1.1.8:*:*:*:*:*:*:*
apple cups 1.1.9 cpe:2.3:a:apple:cups:1.1.9:*:*:*:*:*:*:*
apple cups 1.1.9-1 cpe:2.3:a:apple:cups:1.1.9-1:*:*:*:*:*:*:*
apple cups 1.1.10 cpe:2.3:a:apple:cups:1.1.10:*:*:*:*:*:*:*
apple cups 1.1.10-1 cpe:2.3:a:apple:cups:1.1.10-1:*:*:*:*:*:*:*
apple cups 1.1.11 cpe:2.3:a:apple:cups:1.1.11:*:*:*:*:*:*:*
apple cups 1.1.12 cpe:2.3:a:apple:cups:1.1.12:*:*:*:*:*:*:*
apple cups 1.1.13 cpe:2.3:a:apple:cups:1.1.13:*:*:*:*:*:*:*
apple cups 1.1.14 cpe:2.3:a:apple:cups:1.1.14:*:*:*:*:*:*:*
apple cups 1.1.15 cpe:2.3:a:apple:cups:1.1.15:*:*:*:*:*:*:*
apple cups 1.1.16 cpe:2.3:a:apple:cups:1.1.16:*:*:*:*:*:*:*
apple cups 1.1.17 cpe:2.3:a:apple:cups:1.1.17:*:*:*:*:*:*:*
apple cups 1.1.18 cpe:2.3:a:apple:cups:1.1.18:*:*:*:*:*:*:*
apple cups 1.1.19 cpe:2.3:a:apple:cups:1.1.19:*:*:*:*:*:*:*
apple cups 1.1.19 cpe:2.3:a:apple:cups:1.1.19:rc1:*:*:*:*:*:*
apple cups 1.1.19 cpe:2.3:a:apple:cups:1.1.19:rc2:*:*:*:*:*:*
apple cups 1.1.19 cpe:2.3:a:apple:cups:1.1.19:rc3:*:*:*:*:*:*
apple cups 1.1.19 cpe:2.3:a:apple:cups:1.1.19:rc4:*:*:*:*:*:*
apple cups 1.1.19 cpe:2.3:a:apple:cups:1.1.19:rc5:*:*:*:*:*:*
apple cups 1.1.20 cpe:2.3:a:apple:cups:1.1.20:*:*:*:*:*:*:*
apple cups 1.1.20 cpe:2.3:a:apple:cups:1.1.20:rc1:*:*:*:*:*:*
apple cups 1.1.20 cpe:2.3:a:apple:cups:1.1.20:rc2:*:*:*:*:*:*
apple cups 1.1.20 cpe:2.3:a:apple:cups:1.1.20:rc3:*:*:*:*:*:*
apple cups 1.1.20 cpe:2.3:a:apple:cups:1.1.20:rc4:*:*:*:*:*:*
apple cups 1.1.20 cpe:2.3:a:apple:cups:1.1.20:rc5:*:*:*:*:*:*
apple cups 1.1.20 cpe:2.3:a:apple:cups:1.1.20:rc6:*:*:*:*:*:*
apple cups 1.1.21 cpe:2.3:a:apple:cups:1.1.21:*:*:*:*:*:*:*
apple cups 1.1.21 cpe:2.3:a:apple:cups:1.1.21:rc1:*:*:*:*:*:*
apple cups 1.1.21 cpe:2.3:a:apple:cups:1.1.21:rc2:*:*:*:*:*:*
apple cups 1.1.22 cpe:2.3:a:apple:cups:1.1.22:*:*:*:*:*:*:*
apple cups 1.1.22 cpe:2.3:a:apple:cups:1.1.22:rc1:*:*:*:*:*:*
apple cups 1.1.22 cpe:2.3:a:apple:cups:1.1.22:rc2:*:*:*:*:*:*
apple cups 1.1.23 cpe:2.3:a:apple:cups:1.1.23:*:*:*:*:*:*:*
apple cups 1.1.23 cpe:2.3:a:apple:cups:1.1.23:rc1:*:*:*:*:*:*
apple cups 1.2 cpe:2.3:a:apple:cups:1.2:b1:*:*:*:*:*:*
apple cups 1.2 cpe:2.3:a:apple:cups:1.2:b2:*:*:*:*:*:*
apple cups 1.2 cpe:2.3:a:apple:cups:1.2:rc1:*:*:*:*:*:*
apple cups 1.2 cpe:2.3:a:apple:cups:1.2:rc2:*:*:*:*:*:*
apple cups 1.2 cpe:2.3:a:apple:cups:1.2:rc3:*:*:*:*:*:*
apple cups 1.2.0 cpe:2.3:a:apple:cups:1.2.0:*:*:*:*:*:*:*
apple cups 1.2.1 cpe:2.3:a:apple:cups:1.2.1:*:*:*:*:*:*:*
apple cups 1.2.2 cpe:2.3:a:apple:cups:1.2.2:*:*:*:*:*:*:*
apple cups 1.2.3 cpe:2.3:a:apple:cups:1.2.3:*:*:*:*:*:*:*
apple cups 1.2.4 cpe:2.3:a:apple:cups:1.2.4:*:*:*:*:*:*:*
apple cups 1.2.5 cpe:2.3:a:apple:cups:1.2.5:*:*:*:*:*:*:*
apple cups 1.2.6 cpe:2.3:a:apple:cups:1.2.6:*:*:*:*:*:*:*
apple cups 1.2.7 cpe:2.3:a:apple:cups:1.2.7:*:*:*:*:*:*:*
apple cups 1.2.8 cpe:2.3:a:apple:cups:1.2.8:*:*:*:*:*:*:*
apple cups 1.2.9 cpe:2.3:a:apple:cups:1.2.9:*:*:*:*:*:*:*
apple cups 1.2.10 cpe:2.3:a:apple:cups:1.2.10:*:*:*:*:*:*:*
apple cups 1.2.11 cpe:2.3:a:apple:cups:1.2.11:*:*:*:*:*:*:*
apple cups 1.2.12 cpe:2.3:a:apple:cups:1.2.12:*:*:*:*:*:*:*
apple cups 1.3 cpe:2.3:a:apple:cups:1.3:b1:*:*:*:*:*:*
apple cups 1.3 cpe:2.3:a:apple:cups:1.3:rc1:*:*:*:*:*:*
apple cups 1.3 cpe:2.3:a:apple:cups:1.3:rc2:*:*:*:*:*:*
apple cups 1.3.0 cpe:2.3:a:apple:cups:1.3.0:*:*:*:*:*:*:*
apple cups 1.3.1 cpe:2.3:a:apple:cups:1.3.1:*:*:*:*:*:*:*
apple cups 1.3.2 cpe:2.3:a:apple:cups:1.3.2:*:*:*:*:*:*:*
apple cups 1.3.3 cpe:2.3:a:apple:cups:1.3.3:*:*:*:*:*:*:*
apple cups 1.3.4 cpe:2.3:a:apple:cups:1.3.4:*:*:*:*:*:*:*
apple cups 1.3.5 cpe:2.3:a:apple:cups:1.3.5:*:*:*:*:*:*:*
apple cups 1.3.6 cpe:2.3:a:apple:cups:1.3.6:*:*:*:*:*:*:*
apple cups 1.3.7 cpe:2.3:a:apple:cups:1.3.7:*:*:*:*:*:*:*
apple cups 1.3.8 cpe:2.3:a:apple:cups:1.3.8:*:*:*:*:*:*:*
apple cups 1.3.9 cpe:2.3:a:apple:cups:1.3.9:*:*:*:*:*:*:*
apple cups 1.3.10 cpe:2.3:a:apple:cups:1.3.10:*:*:*:*:*:*:*

References for CVE-2011-3170

cvelogic Threat Intelligence