CVE-2020-14346
High
Description
A flaw was found in xorg-x11-server before 1.20.9. An 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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
X.org X Server
PublishedSep 15, 2020
First seenSep 15, 2020
Weakness typeCWE-191CWE-191
How to fix
Update
- x.org x_server1.20.9 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x.org x_server | v < 1.20.9 | 1.20.9 |
| canonical ubuntu_linux | 14.04 | — |
| redhat enterprise_linux | 6.0, 7.0, 8.0 | — |
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