CVE-2019-3829
MediumA memory corruption (double free) vulnerability in the certificate verification API.
Published Mar 27, 2019 · Updated Aug 7, 2026 · Also known as ALPINE-CVE-2019-3829, DEBIAN-CVE-2019-3829, UBUNTU-CVE-2019-3829
Key Facts
Patch immediately- CVE-2019-3829 is a medium-severity vulnerability (CVSS 5.3 v3.1) affecting Gnutls, Fedora (Fedoraproject), rootio-gnutls and 16 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 59% probability of exploitation in the next 30 days.
- Fixed versions are available, including Gnutls 3.6.7, Gnutls 0:3.6.8-8.el8, Gnutls 3.5.15-4.ph1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS (30-day exploit likelihood)
59%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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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
78 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| GnutlsGnu | >= fixed in 3.6.7 | 3.6.7 |
| FedoraFedoraproject | See advisory | n/a |
| rootio-gnutlsrootio | See advisory | 3.6.7-r0 |
| gnutls28debian | See advisory | 3.6.7-2 |
| rootio-gnutls28rootio | See advisory | 3.6.7-2 |
Patched Releases
Gnutls
3.6.7, 0:3.6.8-8.el8, 3.5.15-4.ph1, 3.5.15-4.ph2, 3.6.3-3.ph3, 3.6.7-1, 3.6.7-6.8.1, 3.6.7-lp150.9.1, 3.6.7-r0, 3.6.8-8.el8, 3.7.2-1.2
gnutls-c++
3.6.8-8.el8
gnutls-dane
3.6.8-8.el8
gnutls-devel
3.6.8-8.el8
gnutls-guile
3.6.7-lp150.9.1, 3.7.2-1.2
gnutls-utils
3.6.8-8.el8
gnutls28
3.4.10-4ubuntu1.5, 3.5.18-1ubuntu1.1, 3.6.7-2
libgnutls-dane-devel
3.6.7-lp150.9.1, 3.7.2-1.2
libgnutls-dane0
3.6.7-lp150.9.1, 3.7.2-1.2
libgnutls-devel
3.6.7-6.8.1, 3.6.7-lp150.9.1, 3.7.2-1.2
libgnutls-devel-32bit
3.6.7-lp150.9.1, 3.7.2-1.2
libgnutls30
3.6.7-6.8.1, 3.6.7-lp150.9.1, 3.7.2-1.2
libgnutls30-32bit
3.6.7-6.8.1, 3.6.7-lp150.9.1, 3.7.2-1.2
libgnutls30-hmac
3.7.2-1.2
libgnutlsxx-devel
3.6.7-6.8.1, 3.6.7-lp150.9.1, 3.7.2-1.2
libgnutlsxx28
3.6.7-6.8.1, 3.6.7-lp150.9.1, 3.7.2-1.2
rootio-gnutls
3.6.7-r0
rootio-gnutls28
3.6.7-2
Timeline
Publicly disclosed
Mar 27, 2019
Last updated
Aug 7, 2026
Weakness Type
- CWE-415 Double Free
- CWE-416 Use After Free
References
- advisoryhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3829
- advisoryhttps://bugzilla.suse.com/1118087
- advisoryhttps://bugzilla.suse.com/1130681
- advisoryhttps://bugzilla.suse.com/1130682
- advisoryhttps://lists.gnupg.org/pipermail/gnutls-help/2019-March/004497.html
FAQ
Common Questions.
A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7.
Affected: Gnutls versions >= fixed in 3.6.7; Fedora (Fedoraproject); rootio-gnutls, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Gnutls 3.6.7, Gnutls 0:3.6.8-8.el8, Gnutls 3.5.15-4.ph1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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