CVE-2019-13627

Name: CVE-2019-13627
Creator: NVD / NIST
Published: 2019-09-25T15:15:11.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2019-13627 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. 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. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.3/10

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

EPSS Probability

0.51%

39.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.04
Canonical	Ubuntu Linux	19.10
Opensuse	Leap	15.0
Opensuse	Leap	15.1
Libgcrypt20 Project	Libgcrypt20	1.6.3-2\+deb8u4
Libgcrypt20 Project	Libgcrypt20	1.7.6-2\+deb9u3
Libgcrypt20 Project	Libgcrypt20	1.8.4-5

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/02/2Mailing List, Third Party Advisory
https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00024.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00001.htmlThird Party Advisory
https://minerva.crocs.fi.muni.cz/Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2019-13627Third Party Advisory
https://security.gentoo.org/glsa/202003-32Third Party Advisory
https://usn.ubuntu.com/4236-1/Third Party Advisory
https://usn.ubuntu.com/4236-2/Third Party Advisory
https://usn.ubuntu.com/4236-3/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/02/2Mailing List, Third Party Advisory
https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00024.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00001.htmlThird Party Advisory
https://minerva.crocs.fi.muni.cz/Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2019-13627Third Party Advisory
https://security.gentoo.org/glsa/202003-32Third Party Advisory
https://usn.ubuntu.com/4236-1/Third Party Advisory
https://usn.ubuntu.com/4236-2/Third Party Advisory
https://usn.ubuntu.com/4236-3/Third Party Advisory

Timeline

Published: Sep 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-13627?

How severe is CVE-2019-13627?

CVE-2019-13627 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2019-13627?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-13627?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST