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Findings

CVE-2019-13627

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library.

Published Sep 25, 2019 · updated Oct 14, 2026 · canonical ubuntu linux

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 25, 2019 · NIST NVD

    Detected

    It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

  2. Oct 14, 2026 · NIST NVD

    Updated

    It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

Affected

  • cpe canonical/ubuntu linux12.04
  • cpe canonical/ubuntu linux14.04
  • cpe canonical/ubuntu linux16.04
  • cpe canonical/ubuntu linux18.04
  • cpe canonical/ubuntu linux19.04
  • cpe canonical/ubuntu linux19.10
  • cpe libgcrypt20 project/libgcrypt201.6.3-2\+deb8u4
  • cpe libgcrypt20 project/libgcrypt201.7.6-2\+deb9u3
  • cpe libgcrypt20 project/libgcrypt201.8.4-5
  • cpe opensuse/leap15.0
  • cpe opensuse/leap15.1

Sources

  • CVE.orgCVE-2019-13627

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2019-13627

    It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

    nvd.nist.gov

References

CVE-2019-13627 · ZeroDay Findings