CVE-2019-3829

Publication date 27 March 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gnutls26	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not affected
gnutls28	19.04 disco	Fixed 3.6.5-2ubuntu1.1
	18.10 cosmic	Fixed 3.6.4-2ubuntu1.2
	18.04 LTS bionic	Fixed 3.5.18-1ubuntu1.1
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

mdeslaur

3.5.8 or later

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
gnutls28	Upstream: d39778e Upstream: 372821c Upstream: 6b5cbc9 Upstream: ad27713

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3999-1
GnuTLS vulnerabilities
30 May 2019