CVE-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.

CVSS 3.1

6.3CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS

0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWE

CWE-203

Published

2019-09-25

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• canonical:ubuntu_linux
• libgcrypt20_project:libgcrypt20
• opensuse:leap

References

• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.html
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.html
• http://www.openwall.com/lists/oss-security/2019/10/02/2
• https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5
• https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html

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