CVE-2019-14993: Incorrect Regular Expression

August 13, 2019 (updated August 16, 2019)

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

References

discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383
gcc.gnu.org/bugzilla/show_bug.cgi?id=86164
github.com/envoyproxy/envoy/issues/7728
istio.io/blog/2019/istio-security-003-004/
nvd.nist.gov/vuln/detail/CVE-2019-14993

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