CVE-2019-14993

Name: CVE-2019-14993
Creator: NVD / NIST
Published: 2019-08-13T18:15:13.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.23%

Last modified Jun 17, 2026

CVE-2019-14993 is a vulnerability of currently unknown severity. Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

Description

Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.

Metrics

EPSS Probability

2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-185

Affected Software

Vendor	Product	Versions
Istio	Istio	< 1.1.13
Istio	Istio	>= 1.2.0, < 1.2.4

References

https://discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383Vendor Advisory
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164Exploit, Issue Tracking, Third Party Advisory
https://github.com/envoyproxy/envoy/issues/7728Exploit, Issue Tracking, Third Party Advisory
https://istio.io/blog/2019/istio-security-003-004/Vendor Advisory
https://discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383Vendor Advisory
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164Exploit, Issue Tracking, Third Party Advisory
https://github.com/envoyproxy/envoy/issues/7728Exploit, Issue Tracking, Third Party Advisory
https://istio.io/blog/2019/istio-security-003-004/Vendor Advisory

Timeline

Published: Aug 13, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14993?

How severe is CVE-2019-14993?

Severity scoring for CVE-2019-14993 is pending analysis. The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14993?

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-2019-14993?

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

Scan your code now

Source: NVD / NIST