CVE-2019-3836
MEDIUMCVSS 5.9/10EPSS 3.40%
Last modified
CVE-2019-3836 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.. EPSS estimates a 3.40% chance of exploitation in the next 30 days.
Description
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.
Metrics
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Gnutls | >= 3.6.3, < 3.6.7 |
| Fedoraproject | Fedora | 28 |
| Opensuse | Leap | 15.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836Issue Tracking, Third Party Advisory
- https://gitlab.com/gnutls/gnutls/issues/704Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201904-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190502-0005/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836Issue Tracking, Third Party Advisory
- https://gitlab.com/gnutls/gnutls/issues/704Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201904-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190502-0005/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-3836?
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.
How severe is CVE-2019-3836?
CVE-2019-3836 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 3.40% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3836?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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