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TI-2019-11179 Aliases CVE-2019-14993GHSA-qcvw-82hh-gq38

Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs…

Priority LOW 37CWE-185Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

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.

Why it matters now

EPSS 0.02275 83rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed istio.io/istio (Go): 1.1.13, 1.2.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—istio.io/istio (Go)before 1.1.131.1.13Patch availableGHSA-qcvw-82hh-gq38
—istio.io/istio (Go)1.2.0 to before 1.2.41.2.4Patch availableGHSA-qcvw-82hh-gq38
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • istio.io/istio (Go) Vendor— Affected before 1.1.13 Fixed in 1.1.13 Patch available GHSA-qcvw-82hh-gq38
  • istio.io/istio (Go) Vendor— Affected 1.2.0 to before 1.2.4 Fixed in 1.2.4 Patch available GHSA-qcvw-82hh-gq38

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*before 1.1.13; 1.2.0 to before 1.2.4Vulnerableistio
  • cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* Versions before 1.1.13; 1.2.0 to before 1.2.4 Vulnerable ·istio

Remediation

  • Fix · GHSA-qcvw-82hh-gq38 istio.io/istio (Go) Fixed in 1.1.13 Advisory →
  • Fix · GHSA-qcvw-82hh-gq38 istio.io/istio (Go) Fixed in 1.2.4 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
OpenShift Service Mesh 1.1Fixed—
Red Hat OpenShift Service Mesh 1.1Fixed—

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-14993
  2. 2026-10-03 Alias added: GHSA-qcvw-82hh-gq38

References

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2022-06055 Authorization Policy bypass in Istio CVSS 3.1CRITICAL 9.8
  • TI-2021-11909 Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability… CVSS 3.1CRITICAL 9.8
  • TI-2026-24390 Istio JWKS resolver to prevent private key material from being exposed when JWKS fetch fails. CVSS 4.0HIGH 8.7
  • TI-2022-13090 Ill-formed headers may lead to unexpected behavior in Istio CVSS 3.1CRITICAL 9.8
See all 28 →

Sources