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Fencer Vulns
medium 5.3

CVE-2019-3829 json

A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7.

published 2019-03-27 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13450

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
59.2%
EPSS 59.2% chance of exploitation in 30 days, percentile 99.1%
public exploits
0
none known

Summary

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.

Patch / fix

  • gnu gnutls 3.6.7
  • gnutls28 Debian 14, Debian 13, Debian 12 3.6.7-2

debian advisories DEBIAN-CVE-2019-3829

  • gnutls28 Ubuntu 18.04 LTS 3.5.18-1ubuntu1.1

ubuntu advisories UBUNTU-CVE-2019-3829

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gnutls RHEL 8 3.6.8-8.el8
  • gnutls-c++ RHEL 8 3.6.8-8.el8
  • gnutls-dane RHEL 8 3.6.8-8.el8
  • gnutls-utils RHEL 8 3.6.8-8.el8

red hat advisories RHSA-2019:3600

  • gnutls SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 3.6.7-6.8.1

suse advisories SUSE-SU-2019:1121-1

  • gnutls openSUSE Tumbleweed 3.7.2-1.2
  • gnutls openSUSE Leap 15.0 3.6.7-lp150.9.1

opensuse advisories openSUSE-SU-2024:10801-1openSUSE-SU-2019:1353-1

  • gnutls Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 3.6.7-r0

alpine advisories ALPINE-CVE-2019-3829

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gnutls Arch Linux 3.6.7-1

arch linux advisories AVG-945

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-3829 updated cvss 5.3

gnutls: use-after-free/double-free in certificate verification

  • Red Hat Enterprise Linux AppStream (v. 8) gnutls-c++ 3.6.8-8.el8, gnutls-dane 3.6.8-8.el8, gnutls-utils 3.6.8-8.el8 Red Hat Enterprise Linux BaseOS (v. 8) gnutls 3.6.8-8.el8
    fixed: vendor fix RHSA-2019:3600
  • Red Hat Enterprise Linux 5 gnutls Red Hat Enterprise Linux 6 gnutls, gnutls-guile, gnutls-utils Red Hat Enterprise Linux 7 gnutls, gnutls-c++, gnutls-dane, gnutls-utils Red Hat OpenShift Enterprise 3 gnutls
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

59.24% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gnutls.org https://www.gnutls.org/security-new.html#GNUTLS-SA-2019-03-27 referenced PoC, tagged "exploit" by a source, unverified
  • gitlab.com https://gitlab.com/gnutls/gnutls/issues/694 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • gnutls gnutls

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.