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Vulnerability record · CVE-2019-25014 · published 29 January 2021

CVE-2019-25014: Istio null pointer dereference vulnerability

Istio · Istio

A NULL pointer dereference was found in pkg/proxy/envoy/v2/debug.go getResourceVersion in Istio pilot before 1.5.0-alpha.0. If a particular HTTP GET request is made to the pilot API endpoint, it is possible to cause the Go runtime to panic (resulting in a denial of service to the istio-pilot application).

6.5 CVSS 3.1 Medium EPSS 1.3% · top 30.0% CWE-476 · NULL pointer dereference
6.5CVSS 3.1 base score, v2 4.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A NULL pointer dereference was found in pkg/proxy/envoy/v2/debug.go getResourceVersion in Istio pilot before 1.5.0-alpha.0. If a particular HTTP GET request is made to the pilot API endpoint, it is possible to cause the Go runtime to panic (resulting in a denial of service to the istio-pilot application).

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1919066 Issue TrackingPatchThird Party Advisory
https://github.com/istio/istio/compare/1.4.2...1.5.0-alpha.0 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1919066 Issue TrackingPatchThird Party Advisory
https://github.com/istio/istio/compare/1.4.2...1.5.0-alpha.0 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-25014), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.