What’s Vulnerable › Vulnerabilities

CVE-2019-14993

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-08-13 · updated 2026-06-17
• Weakness: CWE-185

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.

Affected products

• istio: before 1.1.13; from 1.2.0 before 1.2.4 — fixed in 1.1.13, 1.2.4

How to fix

Upgrade to a fixed version: istio 1.1.13, 1.2.4. Check the vendor advisory for mitigations.

References

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

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