CVE record · CVE-2026-3832

Gnutls: gnutls: security bypass allows acceptance of revoked server certificates via crafted ocsp response

CVSS 3.7 LowEPSS 0.0080 · 56th percentile

Published by the CVE Program (CNA: redhat) at 30 Apr 2026, 17:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	Not given Package name: gnutls https://gitlab.com/gnutls/gnutls	affected before 3.8.13 semver Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 10 Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.8.10-4.el10_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.8.9-9.el10_0.19 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.8.10-4.el9_8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.8.10-4.el9_8 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.17 Package name: cert-manager/jetstack-cert-manager-acmesolver-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1791371080 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.17 Package name: cert-manager/jetstack-cert-manager-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1791371069 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.17 Package name: cert-manager/cert-manager-operator-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1791788287 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.17 Package name: cert-manager/cert-manager-operator-bundle https://catalog.redhat.com/software/containers/	unaffected 1791970484 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.18 Package name: cert-manager/jetstack-cert-manager-acmesolver-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1791459707 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.18 Package name: cert-manager/jetstack-cert-manager-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1791459711 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.18 Package name: cert-manager/cert-manager-istio-csr-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1791459759 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.18 Package name: cert-manager/cert-manager-operator-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1789029076 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.18 Package name: cert-manager/cert-manager-operator-bundle https://catalog.redhat.com/software/containers/	unaffected 1791966259 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20 Package name: cert-manager/cert-manager-trust-manager-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1790598593 to before * rpm Other versions: affected
Red Hat	Red Hat Discovery 2 Package name: discovery/discovery-server-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1782159791 to before * rpm Other versions: affected
Red Hat	Red Hat Discovery 2 Package name: discovery/discovery-ui-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1782166952 to before * rpm Other versions: affected
Red Hat	Red Hat Hardened Images Package name: gnutls-main https://catalog.redhat.com/software/containers/	unaffected 3.8.13-1.hum1 to before * rpm Other versions: affected
Red Hat	Red Hat Update Infrastructure 5 Package name: rhui5/cds-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1781525684 to before * rpm Other versions: affected
Red Hat	Red Hat Update Infrastructure 5 Package name: rhui5/haproxy-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1781525671 to before * rpm Other versions: affected
Red Hat	Red Hat Update Infrastructure 5 Package name: rhui5/installer-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1781525693 to before * rpm Other versions: affected
Red Hat	Red Hat Update Infrastructure 5 Package name: rhui5/rhua-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1781525739 to before * rpm Other versions: affected
Red Hat	Red Hat Update Infrastructure 5 Package name: rhui5/cds-kubernetes-tp-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787241211 to before * rpm Other versions: affected
Red Hat	Red Hat Update Infrastructure 5 Package name: rhui5/installer-tp-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787135742 to before * rpm Other versions: affected
Red Hat	Red Hat Update Infrastructure 5 Package name: rhui5/rhua-tp-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787241260 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 7 Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8 Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-hypershift-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2026-3832
CNA: redhat
Weakness (CWE): CWE-179
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 9
Cert Manager support for Red Hat OpenShift release 1.17
Cert Manager support for Red Hat OpenShift release 1.18
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat Discovery 2
Red Hat Hardened Images
CWE-179
Published: 30 Apr 2026
Updated: 14 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
3.7	Low	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0080, the 56th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 30 Apr 2026. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:13274 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:20612 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:20613 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:26319 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:26409 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:29197 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:58981 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:72502 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82304 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82322 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82347 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82354 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82372 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82857 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82888 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-3832 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2445762 issue-trackingredhat
gitlab.com/gnutls/gnutls/-/issues/1801

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.