CVE-2013-2064

Integer overflow in X.org libxcb 1.9 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the read_packet function.

Published: 2013-06-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2064 is rated Moderate Risk (57.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.45%). EPSS rose +1.51% 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-2013-2064

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 0.94% 2.45% +1.51%
2 2025-08-02 1.02% 0.94% -0.07%
3 2025-03-30 — 1.02% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2064

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-2013-2064

OS Trackers for CVE-2013-2064

vendor priority summary link
debian not yet assigned CVE-2013-2064 not yet assigned priority: Debian including 1 source packages (libxcb), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-2064
gentoo high CVE-2013-2064: 1 GLSA(s) (201405-07), 1 atom(s) (x11-base/xorg-server); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-2064
redhat medium — https://access.redhat.com/security/cve/CVE-2013-2064
suse medium CVE-2013-2064 severity moderate: SUSE including 307 source package names (libxcb-composite0-1.10-1.21, libxcb-composite0-1.10-3.1, …), 653 product×package rows across 43 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 12, … (43 product lines)): Fixed 650, Known Not Affected 3. https://www.suse.com/security/cve/CVE-2013-2064/
ubuntu medium CVE-2013-2064 medium priority: Ubuntu including 1 source packages (libxcb), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): released 4, pending 1. https://ubuntu.com/security/CVE-2013-2064

Affected software / configurations for CVE-2013-2064

Vendor Product Version Raw CPE
debian debian_linux 6.0 cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
oracle secure_global_desktop 4.71 cpe:2.3:a:oracle:secure_global_desktop:4.71:*:*:*:*:*:*:*
oracle secure_global_desktop 5.2 cpe:2.3:a:oracle:secure_global_desktop:5.2:*:*:*:*:*:*:*
canonical ubuntu_linux 10.04 cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 12.10 cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
canonical ubuntu_linux 13.04 cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
opensuse opensuse 12.2 cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
fedoraproject fedora 19 cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
x libxcb <= 1.9 cpe:2.3:a:x:libxcb:*:*:*:*:*:*:*:*
x libxcb 1.1.90.1 cpe:2.3:a:x:libxcb:1.1.90.1:*:*:*:*:*:*:*
x libxcb 1.1.91 cpe:2.3:a:x:libxcb:1.1.91:*:*:*:*:*:*:*
x libxcb 1.1.92 cpe:2.3:a:x:libxcb:1.1.92:*:*:*:*:*:*:*
x libxcb 1.1.93 cpe:2.3:a:x:libxcb:1.1.93:*:*:*:*:*:*:*
x libxcb 1.2 cpe:2.3:a:x:libxcb:1.2:*:*:*:*:*:*:*
x libxcb 1.3 cpe:2.3:a:x:libxcb:1.3:*:*:*:*:*:*:*
x libxcb 1.4 cpe:2.3:a:x:libxcb:1.4:*:*:*:*:*:*:*
x libxcb 1.5 cpe:2.3:a:x:libxcb:1.5:*:*:*:*:*:*:*
x libxcb 1.6 cpe:2.3:a:x:libxcb:1.6:*:*:*:*:*:*:*
x libxcb 1.7 cpe:2.3:a:x:libxcb:1.7:*:*:*:*:*:*:*
x libxcb 1.8 cpe:2.3:a:x:libxcb:1.8:*:*:*:*:*:*:*
x libxcb 1.8.1 cpe:2.3:a:x:libxcb:1.8.1:*:*:*:*:*:*:*

References for CVE-2013-2064

cvelogic Threat Intelligence