CVE-2026-3832

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

LOW 3.7

En bref

Source: NVD
EPSS: EPSS 0.80 % · centile 57 (2026-10-28)
État: PUBLISHED
Publiée: 2026-04-30 17:41 UTC
Mise à jour: 2026-10-14 19:45 UTC
Attribuée par: redhat
Statut NVD: Modified

Description

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted Online Certificate Status Protocol (OCSP) response during a TLS handshake. Due to a logic error in how gnutls processes multi-record OCSP responses, a client with OCSP verification enabled may incorrectly accept a revoked server certificate, potentially leading to a compromise of trust.

Faiblesses (CWE)

CWE-179

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	LOW 3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N	redhat
CVSS 3.1	LOW 3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N	NVD · secalert@redhat.com (Secondary)

Références européennes

ENISA EUVD · EUVD-2026-26402
GCVE · GCVE-0-2026-3832

Configurations affectées (CPE NVD)

cpe:2.3:a:gnu:gnutls:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

Produits affectés

Produit	Versions
gnutls	affected 0 < 3.8.13
Red Hat · Red Hat Enterprise Linux 10	unaffected 0:3.8.10-4.el10_2 < *
Red Hat · Red Hat Enterprise Linux 10.0 Extended Update Support	unaffected 0:3.8.9-9.el10_0.19 < *
Red Hat · Red Hat Enterprise Linux 9	unaffected 0:3.8.10-4.el9_8 < *
Red Hat · Red Hat Enterprise Linux 9	unaffected 0:3.8.10-4.el9_8 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.17	unaffected 1791371080 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.17	unaffected 1791371069 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.17	unaffected 1791788287 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.17	unaffected 1791970484 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.18	unaffected 1791459707 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.18	unaffected 1791459711 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.18	unaffected 1791459759 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.18	unaffected 1789029076 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.18	unaffected 1791966259 < *
Red Hat · Cert Manager support for Red Hat OpenShift release 1.20	unaffected 1790598593 < *
Red Hat · Red Hat Discovery 2	unaffected 1782159791 < *
Red Hat · Red Hat Discovery 2	unaffected 1782166952 < *
Red Hat · Red Hat Hardened Images	unaffected 3.8.13-1.hum1 < *
Red Hat · Red Hat Update Infrastructure 5	unaffected 1781525684 < *
Red Hat · Red Hat Update Infrastructure 5	unaffected 1781525671 < *

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD