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CVE-2020-14363

CVE-2020-14363

CVSS 7.8 HIGHEPSS 0.6%CWE-190CWE-416
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
The X11 Project · libX11

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References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14363https://github.com/Ruia-ruia/Exploits/blob/master/DFX11details.txthttps://github.com/Ruia-ruia/Exploits/blob/master/x11doublefree.shhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7AVXCQOSCAPKYYHFIJAZ6E2C7LJBTLXF/https://lists.x.org/archives/xorg-announce/2020-August/003056.htmlhttps://usn.ubuntu.com/4487-2/