CVE-2020-14363: high-severity vulnerability in The X11 Project libX11
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.6%
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 · libX11Related CVEs — The X11 Project libX11
In the same product, most dangerous first.
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/