CVE-2020-14346

Public on 2020-09-15
Modified on 2021-01-13
Description
A flaw was found in xorg-x11-server. A integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 xorg-x11-server 2021-01-15 ALAS-2021-1475 Fixed
Amazon Linux 2 - Core xorg-x11-server 2020-12-09 ALAS2-2020-1571 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2020-14346 Mitre: CVE-2020-14346