https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sun, 04 Oct 2026 13:59:40 +0000 https://cve.radiocsirt.org/vuln/euvd-2026-330567 EUVD-2026-330567 https://cve.radiocsirt.org/vuln/euvd-2026-330567 https://cve.radiocsirt.org/vuln/fkie_cve-2026-10512 <p>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.</p> <p>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.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-10512 https://cve.radiocsirt.org/vuln/ghsa-gjm7-vch5-hch8 <p>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.</p> <p>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.</p> https://cve.radiocsirt.org/vuln/ghsa-gjm7-vch5-hch8 https://cve.radiocsirt.org/vuln/msrc_cve-2026-10512 msrc_CVE-2026-10512 https://cve.radiocsirt.org/vuln/msrc_cve-2026-10512 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-10512 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: wolfssl, Ubuntu:18.04:LTS: wolfssl, Ubuntu:20.04:LTS: wolfssl, Ubuntu:22.04:LTS: wolfssl, Ubuntu:24.04:LTS: wolfssl, Ubuntu:25.10: wolfssl, Ubuntu:26.04:LTS: wolfssl</p> <p>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.</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: wolfssl, Ubuntu:18.04:LTS: wolfssl, Ubuntu:20.04:LTS: wolfssl, Ubuntu:22.04:LTS: wolfssl, Ubuntu:24.04:LTS: wolfssl, Ubuntu:25.10: wolfssl, Ubuntu:26.04:LTS: wolfssl</p> <p>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.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-10512