Critical severity · published Dec 13, 2016
CVE-2016-7942
The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds…
9.8
CVSS
4.5%
EPSS
No
On KEV
Description
The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.5% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
25 · source: NVD
LI
Libx11 · X.org
through 1.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7942
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/10/04/2
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/10/04/4
www.securityfocus.com
http://www.securityfocus.com/bid/93363
www.securitytracker.com
http://www.securitytracker.com/id/1036945
cgit.freedesktop.org
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/
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