| Package | Affected versions | Patched versions |
|---|---|---|
| mediawiki | = 1.39.0≥ 1.36.0, < 1.38.5< 1.35.9 | 1.38.51.35.9 |
An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.
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