| Package | Affected versions | Patched versions |
|---|---|---|
| rhonabwy | ≤ 1.1.3 |
In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel attacks, because it stops the comparison when the first difference is spotted in the two signatures. (The fix uses gnutls_memcmp, which has constant-time execution.)
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