What’s Vulnerable › Vulnerabilities

CVE-2016-7947

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-12-13 · updated 2026-06-17
• Weakness: CWE-190

Description

Multiple integer overflows in X.org libXrandr before 1.5.1 allow remote X servers to trigger out-of-bounds write operations via a crafted response.

Affected products

• Fedoraproject Fedora: 24, 25
• X.Org Libxrandr: through 1.5.0

References

• http://www.openwall.com/lists/oss-security/2016/10/04/2
• http://www.openwall.com/lists/oss-security/2016/10/04/4
• http://www.securityfocus.com/bid/93365
• http://www.securitytracker.com/id/1036945
• https://cgit.freedesktop.org/xorg/lib/libXrandr/commit/?id=a0df3e1c7728205e5c7650b2e6dce684139254a6
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74FFOHWYIKQZTJLRJWDMJ4W3WYBELUUG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7662OZWCSTLRPKS6R3E4Y4M26BSVAAM/
• https://lists.x.org/archives/xorg-announce/2016-October/002720.html
• https://security.gentoo.org/glsa/201704-03
• http://www.openwall.com/lists/oss-security/2016/10/04/2
• http://www.openwall.com/lists/oss-security/2016/10/04/4
• http://www.securityfocus.com/bid/93365

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