CVE-2019-11235

Name: CVE-2019-11235
Creator: NVD / NIST
Published: 2019-04-22T11:29:03.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.57%

Last modified Jun 17, 2026

CVE-2019-11235 is a vulnerability of currently unknown severity. FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.. EPSS estimates a 3.57% chance of exploitation in the next 30 days.

Description

FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.

Metrics

EPSS Probability

3.57%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Freeradius	Freeradius	< 3.0.19
Fedoraproject	Fedora	All versions
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux Eus	7.6
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	7.0
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10
Canonical	Ubuntu Linux	19.04
Opensuse	Leap	15.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
https://access.redhat.com/errata/RHSA-2019:1131Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1142
https://bugzilla.redhat.com/show_bug.cgi?id=1695748Issue Tracking, Patch, Third Party Advisory
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
https://freeradius.org/security/Vendor Advisory
https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
https://usn.ubuntu.com/3954-1/Third Party Advisory
https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
https://access.redhat.com/errata/RHSA-2019:1131Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1142
https://bugzilla.redhat.com/show_bug.cgi?id=1695748Issue Tracking, Patch, Third Party Advisory
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
https://freeradius.org/security/Vendor Advisory
https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
https://usn.ubuntu.com/3954-1/Third Party Advisory
https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource

Timeline

Published: Apr 22, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11235?

How severe is CVE-2019-11235?

Severity scoring for CVE-2019-11235 is pending analysis. The EPSS model estimates a 3.57% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11235?

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.

Are you affected by CVE-2019-11235?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST