AIKIDO-2025-10605
xcb is vulnerable to Operation on a Resource after Expiration or Release
63
Medium Risk
This Affects:
xcbTL;DR
Affected versions of this package are vulnerable to Operation on a Resource after Expiration or Release in the Connection::connect_with_fd and Connection::connect_with_fd_and_extensions functions. By supplying a crafted RawFd, an attacker can trigger unintended closure of file descriptors, potentially leading to use-after-close conditions, resource mismanagement, or denial of service through repeated closure of already-closed descriptors.
Who does this affect?
You are affected if you are using a version which is within vulnerability ranges
Background info
xcb is vulnerable to Operation on a Resource after Expiration or Release in versions 0.4.0 - 1.5.0.
How to fix this
Upgrade the xcb library to the patch version.
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