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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 2.66% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- x.org/x11
- Source
- secalert@redhat.com
EPSS 2.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://patchwork.freedesktop.org/patch/10001/Patch
- http://www.openwall.com/lists/oss-security/2012/04/18/8
- http://www.openwall.com/lists/oss-security/2012/04/19/2
- http://www.securityfocus.com/bid/53150
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74930
- http://patchwork.freedesktop.org/patch/10001/Patch
- http://www.openwall.com/lists/oss-security/2012/04/18/8
- http://www.openwall.com/lists/oss-security/2012/04/19/2
- http://www.securityfocus.com/bid/53150
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74930
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.