It was discovered that the FilePermission class in the Libraries component of OpenJDK did not properly validate paths during the default file system provider. This could cause it to handle invalid paths as valid on certain platforms.
This issue is only known to affect OpenJDK on Microsoft Windows platform, Linux builds are not known to be affected.
Public via Oracle CPU October 2019:
Fixed in Oracle Java SE 13.0.1, 11.0.5, 8u231, and 7u241.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):
OpenJDK-11 upstream commit:
OpenJDK-8 upstream commit:
OpenJDK-7 upstream commit: