Impact
Under certain conditions, the poll module could cause a denial of service in which the process consumes 100% CPU and becomes unresponsive. This flaw was discovered during unrelated refactoring; the commit refactoring poll support also coincidentally corrects the flaw.
Further details are witheld to prevent exploitation of active servers running older versions.
Patches
Server owners should upgrade to 3.78.0 or cherry-pick commit f84892d.
Workarounds
N/A
For more information
If you have any questions or comments about this advisory:
Impact
Under certain conditions, the poll module could cause a denial of service in which the process consumes 100% CPU and becomes unresponsive. This flaw was discovered during unrelated refactoring; the commit refactoring poll support also coincidentally corrects the flaw.
Further details are witheld to prevent exploitation of active servers running older versions.
Patches
Server owners should upgrade to 3.78.0 or cherry-pick commit f84892d.
Workarounds
N/A
For more information
If you have any questions or comments about this advisory: