CVE-2014-8093

Multiple integer overflows in the GLX extension in XFree86 4.0, X.Org X Window System (aka X11 or X) X11R6.7, and X.Org Server (aka xserver and xorg-server) before 1.16.3 allow remote authenticated users to cause a denial of service (crash) or possibly execute arbitrary code via a crafted request to the (1) __glXDisp_ReadPixels, (2) __glXDispSwap_ReadPixels, (3) __glXDisp_GetTexImage, (4) __glXDispSwap_GetTexImage, (5) GetSeparableFilter, (6) GetConvolutionFilter, (7) GetHistogram, (8) GetMinmax, (9) GetColorTable, (10) __glXGetAnswerBuffer, (11) __GLX_GET_ANSWER_BUFFER, (12) __glXMap1dReqSize, (13) __glXMap1fReqSize, (14) Map2Size, (15) __glXMap2dReqSize, (16) __glXMap2fReqSize, (17) __glXImageSize, or (18) __glXSeparableFilter2DReqSize function, which triggers an out-of-bounds read or write.

Published: 2014-12-10 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-8093 is rated Moderate Risk (53.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.30%). Mandatory action: 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-2014-8093

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 2025-04-08 1.03% 1.30% +0.27%
2 2025-03-30 2.76% 1.03% -1.73%
3 2025-03-29 2.76%

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8093

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 6.4 [email protected]

Weakness enumeration for CVE-2014-8093

OS Trackers for CVE-2014-8093

vendor priority summary link
debian not yet assigned CVE-2014-8093 not yet assigned priority: Debian including 1 source packages (xorg-server), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-8093
gentoo high CVE-2014-8093: 1 GLSA(s) (201504-06), 1 atom(s) (x11-base/xorg-server); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8093
redhat high https://access.redhat.com/security/cve/CVE-2014-8093
ubuntu medium CVE-2014-8093 medium priority: Ubuntu including 2 source packages (xorg-server, xorg-server-lts-trusty), 10 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 5, DNE 3, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2014-8093

NVD evaluator notes for CVE-2014-8093

Comment: <a href="http://cwe.mitre.org/data/definitions/190.html">CWE-190: Integer Overflow or Wraparound</a>

Affected software / configurations for CVE-2014-8093

Vendor Product Version Raw CPE
x.org x11 6.7 cpe:2.3:a:x.org:x11:6.7:*:*:*:*:*:*:*
x.org x_server <= 1.16.2 cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
x.org xfree86 4.0 cpe:2.3:a:x.org:xfree86:4.0:*:*:*:*:*:*:*

References for CVE-2014-8093

cvelogic Threat Intelligence