CVE-2013-1983

Integer overflow in X.org libXfixes 5.0 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XFixesGetCursorImage function.

Published: 2013-06-15 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-1983 is rated Moderate Risk (56.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.15%). EPSS rose +1.24% over the last day, indicating growing attacker interest. 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-2013-1983

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 0.90% 2.15% +1.24%
2 2025-07-12 0.82% 0.90% +0.08%
3 2025-03-30 — 0.82% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1983

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2013-1983

OS Trackers for CVE-2013-1983

vendor priority summary link
debian not yet assigned CVE-2013-1983 not yet assigned priority: Debian including 1 source packages (libxfixes), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-1983
gentoo high CVE-2013-1983: 1 GLSA(s) (201405-07), 1 atom(s) (x11-base/xorg-server); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1983
redhat medium — https://access.redhat.com/security/cve/CVE-2013-1983
suse medium — https://www.suse.com/security/cve/CVE-2013-1983/
ubuntu medium CVE-2013-1983 medium priority: Ubuntu including 1 source packages (libxfixes), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): released 3, ignored 1, pending 1. https://ubuntu.com/security/CVE-2013-1983

Affected software / configurations for CVE-2013-1983

Vendor Product Version Raw CPE
x libxfixes <= 5.0 cpe:2.3:a:x:libxfixes:*:*:*:*:*:*:*:*
x libxfixes 4.0 cpe:2.3:a:x:libxfixes:4.0:*:*:*:*:*:*:*
x libxfixes 4.0.1 cpe:2.3:a:x:libxfixes:4.0.1:*:*:*:*:*:*:*
x libxfixes 4.0.2 cpe:2.3:a:x:libxfixes:4.0.2:*:*:*:*:*:*:*
x libxfixes 4.0.3 cpe:2.3:a:x:libxfixes:4.0.3:*:*:*:*:*:*:*
x libxfixes 4.0.4 cpe:2.3:a:x:libxfixes:4.0.4:*:*:*:*:*:*:*
x libxfixes 4.0.5 cpe:2.3:a:x:libxfixes:4.0.5:*:*:*:*:*:*:*

References for CVE-2013-1983

cvelogic Threat Intelligence