https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 16:51:38 +0000 https://vulnerability.circl.lu/vuln/certfr-2026-avi-1241 certfr-2026-avi-1241 https://vulnerability.circl.lu/vuln/certfr-2026-avi-1241 https://vulnerability.circl.lu/vuln/fkie_cve-2026-77696 <p>Issue summary: SM2 signature generation uses non-constant-time arithmetic on secret values, forming a timing side-channel.</p> <p>Impact summary: An attacker able to measure SM2 signing times may learn information about the per-signature secret nonce, which over many signatures can, via a lattice / Hidden Number Problem attack, lead to recovery of the private key.</p> <p>CWE: CWE-208: Observable Timing Discrepancy</p> <p>Description: SM2 signature generation computes the signature value using variable-time BIGNUM operations on the secret nonce and the private key, so the time taken to produce an SM2 signature depends on these secret values, forming a timing side-channel.</p> <p>Applications performing SM2 signature generation are affected on all platforms.</p> <p>FIPS Impact: no SM2 is not a FIPS algorithm.</p> <p>Issue summary: SM2 signature generation uses non-constant-time arithmetic on secret values, forming a timing side-channel.</p> <p>Impact summary: An attacker able to measure SM2 signing times may learn information about the per-signature secret nonce, which over many signatures can, via a lattice / Hidden Number Problem attack, lead to recovery of the private key.</p> <p>CWE: CWE-208: Observable Timing Discrepancy</p> <p>Description: SM2 signature generation computes the signature value using variable-time BIGNUM operations on the secret nonce and the private key, so the time taken to produce an SM2 signature depends on these secret values, forming a timing side-channel.</p> <p>Applications performing SM2 signature generation are affected on all platforms.</p> <p>FIPS Impact: no SM2 is not a FIPS algorithm.</p> https://vulnerability.circl.lu/vuln/fkie_cve-2026-77696 https://vulnerability.circl.lu/vuln/ghsa-9qr7-mmm2-9f2r <p>Issue summary: SM2 signature generation uses non-constant-time arithmetic on secret values, forming a timing side-channel.</p> <p>Impact summary: An attacker able to measure SM2 signing times may learn information about the per-signature secret nonce, which over many signatures can, via a lattice / Hidden Number Problem attack, lead to recovery of the private key.</p> <p>CWE: CWE-208: Observable Timing Discrepancy</p> <p>Description: SM2 signature generation computes the signature value using variable-time BIGNUM operations on the secret nonce and the private key, so the time taken to produce an SM2 signature depends on these secret values, forming a timing side-channel.</p> <p>Applications performing SM2 signature generation are affected on all platforms.</p> <p>FIPS Impact: no SM2 is not a FIPS algorithm.</p> <p>Issue summary: SM2 signature generation uses non-constant-time arithmetic on secret values, forming a timing side-channel.</p> <p>Impact summary: An attacker able to measure SM2 signing times may learn information about the per-signature secret nonce, which over many signatures can, via a lattice / Hidden Number Problem attack, lead to recovery of the private key.</p> <p>CWE: CWE-208: Observable Timing Discrepancy</p> <p>Description: SM2 signature generation computes the signature value using variable-time BIGNUM operations on the secret nonce and the private key, so the time taken to produce an SM2 signature depends on these secret values, forming a timing side-channel.</p> <p>Applications performing SM2 signature generation are affected on all platforms.</p> <p>FIPS Impact: no SM2 is not a FIPS algorithm.</p> https://vulnerability.circl.lu/vuln/ghsa-9qr7-mmm2-9f2r https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-77696 <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: openssl, Ubuntu:Pro:16.04:LTS: openssl, Ubuntu:Pro:16.04:LTS: edk2, Ubuntu:Pro:16.04:LTS: nodejs, Ubuntu:Pro:FIPS:16.04:LTS: openssl, Ubuntu:Pro:18.04:LTS: openssl, Ubuntu:Pro:18.04:LTS: openssl1.0, Ubuntu:Pro:18.04:LTS: edk2, Ubuntu:Pro:18.04:LTS: nodejs, Ubuntu:Pro:FIPS-updates:18.04:LTS: openssl and 18 more</p> <p>Timing Side-Channel in SM2 Signature Generation</p> <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: openssl, Ubuntu:Pro:16.04:LTS: openssl, Ubuntu:Pro:16.04:LTS: edk2, Ubuntu:Pro:16.04:LTS: nodejs, Ubuntu:Pro:FIPS:16.04:LTS: openssl, Ubuntu:Pro:18.04:LTS: openssl, Ubuntu:Pro:18.04:LTS: openssl1.0, Ubuntu:Pro:18.04:LTS: edk2, Ubuntu:Pro:18.04:LTS: nodejs, Ubuntu:Pro:FIPS-updates:18.04:LTS: openssl and 18 more</p> <p>Timing Side-Channel in SM2 Signature Generation</p> https://vulnerability.circl.lu/vuln/ubuntu-cve-2026-77696