OESA-2021-1078

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OESA-2021-1078

Summary: xorg-x11-server security update

Details: X.Org X11 X server. Security Fix(es): A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-25712) A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.(CVE-2020-14347)

References: https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1078, https://nvd.nist.gov/vuln/detail/CVE-2020-25712, https://nvd.nist.gov/vuln/detail/CVE-2020-14347