CVE-2016-7947

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.63% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-12-13 20:00Z9 YR AGO

Last updated

2024-08-06 02:13Z2 YR AGO

Reserved

2016-09-09

Assigning CNA

microfocus

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

ea77d09bb61a5e5d96995e3cf5f75d09b0cb8722e2d00c56d9389d993396fbf4

• www.securitytracker.com1036945http://www.securitytracker.com/id/1036945vdb-entryx_refsource_SECTRACK
• cgit.freedesktop.orghttps://cgit.freedesktop.org/xorg/lib/libXrandr/commit/?id=a0df3e1c7728205e5c7650b2e6dce684139254a6x_refsource_CONFIRM
• security.gentoo.orgGLSA-201704-03https://security.gentoo.org/glsa/201704-03vendor-advisoryx_refsource_GENTOO
• lists.x.org[xorg-announce] 20161004 X.Org security advisory: Protocol handling issues in X Window System client librarieshttps://lists.x.org/archives/xorg-announce/2016-October/002720.htmlmailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20161004 Re: X.Org security advisory: Protocol handling issues in X Window System client librarieshttp://www.openwall.com/lists/oss-security/2016/10/04/4mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2016-a06c8cc941https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74FFOHWYIKQZTJLRJWDMJ4W3WYBELUUG/vendor-advisoryx_refsource_FEDORA
• www.securityfocus.com93365http://www.securityfocus.com/bid/93365vdb-entryx_refsource_BID
• www.openwall.com[oss-security] 20161004 X.Org security advisory: Protocol handling issues in X Window System client librarieshttp://www.openwall.com/lists/oss-security/2016/10/04/2mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2016-83040426d6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7662OZWCSTLRPKS6R3E4Y4M26BSVAAM/vendor-advisoryx_refsource_FEDORA