| Package | Affected versions | Patched versions |
|---|---|---|
| wolfssl | < 5.9.0 | 5.9.0 |
Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving.
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