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Fri, 26 Jun 2026 14:30:00 +0000
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ssvc
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Fri, 26 Jun 2026 01:15:00 +0000
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Wolfssl
Wolfssl wolfssl |
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Wolfssl
Wolfssl wolfssl |
Thu, 25 Jun 2026 20:15:00 +0000
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| Description | The X25519 x86_64 assembly implementation fails to clear the most significant bit during the final modular reduction, so the computed result may not be fully reduced modulo the field prime 2^255 - 19. This can leave the field element in a non-canonical form, producing an incorrect result from the scalar multiplication and potentially a wrong shared secret. The final carry-propagation chains in the x64 and AVX2 reduction routines could overflow into the top bit, and the high limb was not masked afterward, so the 255-bit field element was left non-canonical. | |
| Title | X25519 x86_64 assembly final reduction leaves non-canonical field element | |
| Weaknesses | CWE-682 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: wolfSSL
Published:
Updated: 2026-06-26T13:49:49.898Z
Reserved: 2026-06-01T04:32:49.584Z
Link: CVE-2026-10512
Updated: 2026-06-26T13:49:44.994Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-06-26T01:00:05Z