CVE-2019-13627

libgcrypt: ECDSA timing attack allowing private key leak

Published Sep 25, 2019 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1931-1 libgcrypt20 security update
Debian DLA Debian DLA DLA-1931-2 libgcrypt20 regression update
EUVD EUVD EUVD-2019-5059 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.
Ubuntu USN Ubuntu USN USN-4236-1 Libgcrypt vulnerability
Ubuntu USN Ubuntu USN USN-4236-2 Libgcrypt vulnerability
Ubuntu USN Ubuntu USN USN-4236-3 Libgcrypt vulnerability
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 14, 2026, 6:50 AM
Reserved
Jul 17, 2019, 12:00 AM
Status
Modified
Published
Sep 25, 2019, 3:15 PM
Modified
Oct 14, 2026, 7:16 AM
Severity
Moderate
Public date
Oct 2, 2019, 12:00 AM