In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsUpgrade Alpine:3.19
screen
to version 4.9.1_git20250512-r0 or higher.
Note: Versions mentioned in the description apply only to the upstream screen
package and not the screen
package as distributed by Alpine
.
See How to fix?
for Alpine:3.19
relevant fixed versions and status.
A minor information leak when running Screen with setuid-root privileges allows unprivileged users to deduce information about a path that would otherwise not be available.
Affected are older Screen versions, as well as version 5.0.0.