| Package | Affected versions | Patched versions |
|---|---|---|
| stdlib | ≥ 1.24.0-0, < 1.24.4< 1.23.10 | 1.24.41.23.10 |
| go | ≥ 1.24.0, < 1.24.4< 1.23.10 | 1.24.41.23.10 |
os.OpenFile(path, os.O_CREATE|O_EXCL) behaved differently on Unix and Windows systems when the target path was a dangling symlink. On Unix systems, OpenFile with O_CREATE and O_EXCL flags never follows symlinks. On Windows, when the target path was a symlink to a nonexistent location, OpenFile would create a file in that location. OpenFile now always returns an error when the O_CREATE and O_EXCL flags are both set and the target path is a symlink.
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