CVE-2018-15853
Medium
Description
Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
SeverityMedium
CVSS5.5
Exploit probability—
ProductLibxkbcommon
PublishedAug 25, 2018
First seenAug 25, 2018
How to fix
Update
- xkbcommon libxkbcommon0.8.1 or later
- xkbcommon xkbcommon0.8.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xkbcommon libxkbcommon | v < 0.8.1 | 0.8.1 |
| xkbcommon xkbcommon | v < 0.8.1 | 0.8.1 |
| canonical ubuntu_linux | 14.04, 16.04, 18.04 | — |
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