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CVE-2019-3829

57
FAUCET Score

CVE-2019-3829 is a high-severity memory corruption vulnerability (double free) affecting GnuTLS versions from 3.5.8 before 3.6.7, specifically within its X.509 certificate verification API. This flaw impacts any client or server application utilizing these vulnerable GnuTLS versions for certificate validation, including Fedora Project products. With a CVSS score of 7.5, it can lead to a denial of service (A:H) without requiring user interaction or complex attack vectors. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.5.8, < 3.6.7CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
58.97%
Probability of exploitation in next 30 days
EPSS Percentile
99.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.5897 is in the 98th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gnutls-0:3.6.8-8.el8
View patch

Vendor Advisories (1)

redhatCVE-2019-3829Moderate

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

Mar 27, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-05/msg00017.html
access.redhat.com / errata/RHSA-2019:3600
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
gitlab.com / gnutls/gnutls/issues/694
ExploitPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/L7TJIBRJWGWSH6XIO2MXIQ3W6ES4R6I4
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/WRSOL66LHP4SD3Y2ECJDOGT4K663ECDU
security.gentoo.org / glsa/201904-14
security.netapp.com / advisory/ntap-20190619-0004
usn.ubuntu.com / 3999-1
gnutls.org / security-new.html
ExploitPatchVendor Advisory