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No exploitation reportedFix available

CVE-2019-14993

No exploitation reported by the sources we read.

  • Published2019-08-13
  • Fixed in1.2.4 · 1.1.13
  • WeaknessCWE-185

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-08-1318:15CVE publishedNVD

Versions per branch

NVD · OSV
Istio
BranchAffectedFixed in
1.2≥ 1.2.0, < 1.2.41.2.4
1.1< 1.1.131.1.13

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • cert-manager-istio-csrWolfiall versions · fixed in 0and 1 other package
  • cert-manager-istio-csrMinimOSall versions · fixed in 0and 2 other packages
  • cert-manager-istio-csrChainguardall versions · fixed in 0and 11 other packages
  • iorRed Hat:service_mesh:1.1::el8all versions · fixed in 0:1.1.0-3.el8and 1 other package
  • kialiRed Hat:service_mesh:1.1::el7all versions · fixed in 0:v1.12.7.redhat1-1.el7
  • servicemeshRed Hat:service_mesh:1.1::el8all versions · fixed in 0:1.1.0-5.el8and 8 other packages
  • servicemesh-grafanaRed Hat:service_mesh:1.1::el8all versions · fixed in 0:6.4.3-2.el8and 1 other package
  • servicemesh-operatorRed Hat:service_mesh:1.1::el8all versions · fixed in 0:1.1.0-9.el8

2 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-14993 Red Hat Product Security25 products fixed

    istio/envoy: mishandling regular expressions for long URIs leading to DoS

  • RHEA-2020:1416 Red Hat Product Security25 products fixed

    Red Hat Enhancement Advisory: Red Hat OpenShift Service Mesh 1.1.0 RPMs

Full record on NVD

Fix

  1. Update Istio to 1.2.4 · 1.1.13
  2. Vendor fix Red Hat Product Security RHEA-2020:1416 · 25 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2019-08-13
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-qcvw-82hh-gq38

Frequently asked questions

What is CVE-2019-14993?

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.

Is CVE-2019-14993 actively exploited?

Active exploitation of CVE-2019-14993 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-14993?

CVE-2019-14993 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record