| Package | Affected versions | Patched versions |
|---|---|---|
| strongswan | ≥ 4.2.10, < 5.9.4 | 5.9.4 |
The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. Remote code execution might be a slight possibility.
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