A new release of libX11 version 1.0.2 was just released recently, which does not contain the security fixes for the recently reported setuid problems. It appears that many of the packages affected by the setuid bugs have not had new releases containing these security fixes as well. A new version of libX11 with the setuid fix should be released.
Created attachment 6068 [details] [review] This is the attachment description. Patch to fix this issue.
Only 1 of the 2 instances of seteuid() was fixed in the master branch, so the cherry-pick to stable branch also missed the second instance.
Fixed in head and stable branches, commits e9614c963b532f46a7932c2305a4b177a996a222 and cde3c0dd72af2b490e80cffca962e3487dd31be4
Confirmed in 1.0.3
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