CVE-2012-2118

Format string vulnerability in the LogVHdrMessageVerb function in os/log.c in X.Org X11 1.11 allows attackers to cause a denial of service or possibly execute arbitrary code via format string specifiers in an input device name.

Published: 2012-05-18 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-2118 is rated High Risk (69.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.69%). High exploitation likelihood—assess exposure and prioritize 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-2012-2118

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 2.15% 2.69% +0.54%
2 2025-03-30 4.31% 2.15% -2.16%
3 2025-03-29 — 4.31% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-2118

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2012-2118

OS Trackers for CVE-2012-2118

vendor priority summary link
debian not yet assigned CVE-2012-2118 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-2012-2118
gentoo high CVE-2012-2118: 1 GLSA(s) (201207-04), 1 atom(s) (x11-base/xorg-server); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-2118
redhat — — https://access.redhat.com/security/cve/CVE-2012-2118
ubuntu low CVE-2012-2118 low priority: Ubuntu including 1 source packages (xorg-server), 7 status rows across 7 suites (hardy, lucid, natty, oneiric, precise, quantal, upstream): not-affected 5, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2012-2118

Affected software / configurations for CVE-2012-2118

Vendor Product Version Raw CPE
x.org x11 1.11 cpe:2.3:a:x.org:x11:1.11:*:*:*:*:*:*:*

References for CVE-2012-2118

cvelogic Threat Intelligence