| Package | Affected versions | Patched versions |
|---|---|---|
| xcode | < 13.0 | 13.0 |
| nginx | ≥ 0.6.18, < 1.8.1≥ 1.9.0, < 1.9.10 | 1.8.11.9.10 |
The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.
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