Description
A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7. A memory corruption (double free) vulnerability in the certificate verification API. Any client or server application that verifies X.509 certificates with GnuTLS 3.5.8 or later is affected.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| gnutls | gnutls | fixed in 3.6.7, affected from 3.5.8 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gnutls28 | 3.6.7-2 | — |
| Debian 13 | gnutls28 | 3.6.7-2 | — |
| Debian 12 | gnutls28 | 3.6.7-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | gnutls28 | 3.5.18-1ubuntu1.1 | USN-3999-1 |
| Ubuntu 16.04 LTS | gnutls28 | 3.4.10-4ubuntu1.5 | USN-3999-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | gnutls +4 | 3.6.8-8.el8 | RHSA-2019:3600 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | gnutls | 3.6.7-6.8.1 | SUSE-SU-2019:1121-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gnutls | 3.7.2-1.2 | openSUSE-SU-2024:10801-1 |
| openSUSE Leap 15.0 | gnutls | 3.6.7-lp150.9.1 | openSUSE-SU-2019:1353-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | gnutls | 3.6.7-r0 | — |
| Alpine v3.23 | gnutls | 3.6.7-r0 | — |
| Alpine v3.22 | gnutls | 3.6.7-r0 | — |
| Alpine v3.21 | gnutls | 3.6.7-r0 | — |
| Alpine v3.20 | gnutls | 3.6.7-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | gnutls | 3.6.7-r0 | — |
| Alpine v3.18 | gnutls | 3.6.7-r0 | — |
| Alpine v3.17 | gnutls | 3.6.7-r0 | — |
| Alpine v3.16 | gnutls | 3.6.7-r0 | — |
| Alpine v3.15 | gnutls | 3.6.7-r0 | — |
| Alpine v3.14 | gnutls | 3.6.7-r0 | — |
| Alpine v3.13 | gnutls | 3.6.7-r0 | — |
| Alpine v3.12 | gnutls | 3.6.7-r0 | — |
| Alpine v3.11 | gnutls | 3.6.7-r0 | — |
| Alpine v3.10 | gnutls | 3.6.7-r0 | — |
| Alpine v3.9 | gnutls | 3.6.7-r0 | — |
| Alpine v3.8 | gnutls | 3.6.7-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | gnutls +4 | 3.6.8-8.el8 | ELSA-2019-3600 |
Advisories 7
- WID-SEC-2026-3122 GnuTLS: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Aug 31, 2026
- RHSA-2019:3600 Red Hat Security Advisory: gnutls security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-3999-1 gnutls28 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2024:10801-1 gnutls-3.7.2-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1121-1 Security update for gnutls SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1353-1 Security update for gnutls SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2019-3600 Moderate: gnutls security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 14, 2019
References
- https://www.gnutls.org/security-new.html#GNUTLS-SA-2019-03-27
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3829
- https://gitlab.com/gnutls/gnutls/issues/694
- FEDORA-2019-971ded6f90 vendor-advisory
- FEDORA-2019-e8c1cf958f vendor-advisory
- FEDORA-2019-46df367eed vendor-advisory
- GLSA-201904-14 vendor-advisory
- openSUSE-SU-2019:1353 vendor-advisory
- USN-3999-1 vendor-advisory
- https://security.netapp.com/advisory/ntap-20190619-0004/
- RHSA-2019:3600 vendor-advisory