> CVE-2026-42010 [HIGH]

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PUBLISHED
2026-05-07 12:16
MODIFIED
2026-05-07 12:16
CVSS_SCORE V3
7.1
EPSS (Prob. Exploit)
0.94%
Top 39.3%
DATA SOURCES:
NVD đź”— 2026-05-07 FIRST EPSS đź”— 2026-10-25 MSRC đź”— 2026-11-02

> DESCRIPTION

A flaw was found in gnutls. Servers configured with RSA-PSK (Rivest–Shamir–Adleman – Pre-Shared Key) wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass. This vulnerability allows an attacker to gain unauthorized access by circumventing the authentication process.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EXPLOITABILITY
2.8
IMPACT
4.2

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
Low (L)
Modification limitée des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
Low
Modification limitée des données possible
Disponibilité
None
Aucune interruption de service

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: gnutls security update
An update for gnutls is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CV...
Red Hat Security Advisory: gnutls security update
An update for gnutls is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vuln...
Red Hat Security Advisory: Red Hat Update Infrastructure 5.2 security update
The latest release of Red Hat Update Infrastructure. For more details, see the product documentation.
Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage
A Subscription Management tool for finding and reporting Red Hat product usage
Red Hat Security Advisory: gnutls security update
An update for gnutls is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulne...
Red Hat Security Advisory: gnutls security update
An update for gnutls is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Co...
Red Hat Security Advisory: gnutls and libtasn1 security update
An update for multiple packages is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. R...
Red Hat Security Advisory: gnutls and libtasn1 security update
An update for multiple packages is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product...
Red Hat Security Advisory: gnutls and libtasn1 security update
An update for multiple packages is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. R...
Red Hat Security Advisory: Red Hat AI Inference Server 3.2.2 (ROCm)
Red Hat AI Inference Server 3.2.2 (ROCm) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server Model Optimization Tools 3.2.2 (cuda)
Red Hat AI Inference Server Model Optimization Tools 3.2.2 (cuda) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.2.2 (CUDA)
Red Hat AI Inference Server 3.2.2 (CUDA) is now available.
Red Hat Security Advisory: OpenShift Container Platform 4.21.23 bug fix and security update
Red Hat OpenShift Container Platform release 4.21.23 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.22.4 bug fix and security update
Red Hat OpenShift Container Platform release 4.22.4 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Ha...
Red Hat Security Advisory: OpenShift Container Platform 4.20.28 bug fix and security update
Red Hat OpenShift Container Platform release 4.20.28 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: gnutls security update
An update for gnutls is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Co...
Red Hat Security Advisory: OpenShift Container Platform 4.19.39 bug fix and security update
Red Hat OpenShift Container Platform release 4.19.39 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: Red Hat Update Infrastructure 5.3 Technology Preview security update
A new set of Red Hat Update Infrastructure container images is now available as a Technology Preview in the Red Hat container registry.
Red Hat Security Advisory: OpenShift Container Platform 4.18.54 bug fix and security update
Red Hat OpenShift Container Platform release 4.18.54 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.16.69 bug fix and security update
Red Hat OpenShift Container Platform release 4.16.69 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.12.97 bug fix and security update
Red Hat OpenShift Container Platform release 4.12.97 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.17.57 bug fix and security update
Red Hat OpenShift Container Platform release 4.17.57 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.14.73 bug fix and security update
Red Hat OpenShift Container Platform release 4.14.73 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.13.71 bug fix and security update
Red Hat OpenShift Container Platform release 4.13.71 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.15.69 bug fix and security update
Red Hat OpenShift Container Platform release 4.15.69 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.20.1
cert-manager Operator for Red Hat OpenShift 1.20.1
Red Hat Security Advisory: Red Hat AI Base Images 3.4.3 (Neuron)
Red Hat AI Base Images 3.4.3 (Neuron) is now available.
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.18.2
cert-manager Operator for Red Hat OpenShift 1.18.2
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.18.2
cert-manager Operator for Red Hat OpenShift 1.18.2
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.18.2
cert-manager Operator for Red Hat OpenShift 1.18.2
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.17.2
cert-manager Operator for Red Hat OpenShift 1.17.2
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.17.2
cert-manager Operator for Red Hat OpenShift 1.17.2
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.17.2
cert-manager Operator for Red Hat OpenShift 1.17.2
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.18.2
cert-manager Operator for Red Hat OpenShift 1.18.2

> HISTORIQUE DES MODIFICATIONS

Première apparition
07/05/2026 12:16
Source: NVD
Total des modifications: 0 Dernière mise à jour: 6 months ago

> REFERENCES

https://access.redhat.com/security/cve/CVE-2026-42010
https://bugzilla.redhat.com/show_bug.cgi?id=2467289
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