6.5
CVSS 3.1
Няма данни
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Няма потвърждение
Атакува се
Няма данни
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of `nameConstraints` labels, specifically for `dNSName` (DNS) or `rfc822Name` (email) constraints within `excludedSubtrees` or `permittedSubtrees`. A remote attacker can exploit this by crafting a leaf certificate with casing differences in the Subject Alternative Name (SAN), leading to a policy bypass where a certificate that should be rejected is instead accepted. This could result in unauthorized access or information disclosure.
Засегнати продукти
- : преди 3.8.13
- Red Hat Red Hat Enterprise Linux 10: 0:3.8.10-4.el10_2 преди *
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support: 0:3.8.9-9.el10_0.19 преди *
- Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support: 0:3.3.29-9.el7_9.2 преди *
- Red Hat Red Hat Enterprise Linux 8: 0:3.6.16-8.el8_10.6 преди *
- Red Hat Red Hat Enterprise Linux 8: 0:3.6.16-8.el8_10.6 преди *
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: 0:3.6.14-10.el8_4.1 преди *
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: 0:4.13-3.el8_4.1 преди *
- Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On: 0:3.6.14-10.el8_4.1 преди *
- Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On: 0:4.13-3.el8_4.1 преди *
- Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: 0:3.6.16-5.el8_6.5 преди *
- Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: 0:4.13-3.el8_6.2 преди *
- Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On: 0:3.6.16-5.el8_6.5 преди *
- Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On: 0:4.13-3.el8_6.2 преди *
- Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service: 0:3.6.16-7.el8_8.4 преди *
- Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service: 0:4.13-4.el8_8.1 преди *
- Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions: 0:3.6.16-7.el8_8.4 преди *
- Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions: 0:4.13-4.el8_8.1 преди *
- Red Hat Red Hat Enterprise Linux 9: 0:3.8.10-4.el9_8 преди *
- Red Hat Red Hat Enterprise Linux 9: 0:3.8.10-4.el9_8 преди *
- Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions: 0:3.7.6-21.el9_2.7 преди *
- Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions: 0:3.8.3-4.el9_4.6 преди *
- Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support: 0:3.8.3-6.el9_6.4 преди *
- Red Hat Red Hat OpenShift Container Platform 4.12: 412.86.202608241157-0 преди *
- Red Hat Red Hat OpenShift Container Platform 4.13: 413.92.202609080414-0 преди *
- Red Hat Red Hat OpenShift Container Platform 4.14: 414.92.202609011250-0 преди *
- Red Hat Red Hat OpenShift Container Platform 4.15: 415.92.202609140326-0 преди *
- Red Hat Red Hat OpenShift Container Platform 4.16: 416.94.202609011112-0 преди *
- Red Hat Red Hat OpenShift Container Platform 4.17: 417.94.202608250221-0 преди *
- Red Hat Red Hat OpenShift Container Platform 4.18: 418.94.202609031320-0 преди *
- Red Hat Red Hat OpenShift Container Platform 4.19: 4.19.9.6.202608182320-0 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.17: 1791371080 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.17: 1791371069 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.17: 1791788287 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.17: 1791970484 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.18: 1791459707 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.18: 1791459711 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.18: 1791459759 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.18: 1789029076 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.18: 1791966259 преди *
- Red Hat Cert Manager support for Red Hat OpenShift release 1.20: 1790598593 преди *
- Red Hat Red Hat Discovery 2: 1782159791 преди *
- Red Hat Red Hat Discovery 2: 1782166952 преди *
- Red Hat Red Hat Hardened Images: 3.8.13-1.hum1 преди *
- Red Hat Red Hat OpenShift AI 3.4: 1790703542 преди *
- Red Hat Red Hat Update Infrastructure 5: 1781525684 преди *
- Red Hat Red Hat Update Infrastructure 5: 1781525671 преди *
- Red Hat Red Hat Update Infrastructure 5: 1781525693 преди *
- Red Hat Red Hat Update Infrastructure 5: 1781525739 преди *
- Red Hat Red Hat Update Infrastructure 5: 1787241211 преди *
- Red Hat Red Hat Update Infrastructure 5: 1787135742 преди *
- Red Hat Red Hat Update Infrastructure 5: 1787241260 преди *
- Red Hat Red Hat Enterprise Linux 6
- Red Hat Red Hat OpenShift Container Platform 4
Вид слабост
История
- 30 април 2026 Публикувано
Други уязвимости в същия продукт
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-3833
- https://nvd.nist.gov/vuln/detail/CVE-2026-3833
- https://access.redhat.com/errata/RHSA-2026:13274
- https://access.redhat.com/errata/RHSA-2026:20611
- https://access.redhat.com/errata/RHSA-2026:20612
- https://access.redhat.com/errata/RHSA-2026:20613
- https://access.redhat.com/errata/RHSA-2026:26319
- https://access.redhat.com/errata/RHSA-2026:26409
- https://access.redhat.com/errata/RHSA-2026:29197
- https://access.redhat.com/errata/RHSA-2026:30004
- https://access.redhat.com/errata/RHSA-2026:30849
- https://access.redhat.com/errata/RHSA-2026:30850
- https://access.redhat.com/errata/RHSA-2026:32962
- https://access.redhat.com/errata/RHSA-2026:33125
- https://access.redhat.com/errata/RHSA-2026:41921
- https://access.redhat.com/errata/RHSA-2026:43575
- https://access.redhat.com/errata/RHSA-2026:57402
- https://access.redhat.com/errata/RHSA-2026:58981
- https://access.redhat.com/errata/RHSA-2026:59831
- https://access.redhat.com/errata/RHSA-2026:60019
- https://access.redhat.com/errata/RHSA-2026:62409
- https://access.redhat.com/errata/RHSA-2026:62549
- https://access.redhat.com/errata/RHSA-2026:65839
- https://access.redhat.com/errata/RHSA-2026:65851
- https://access.redhat.com/errata/RHSA-2026:67857
- https://access.redhat.com/errata/RHSA-2026:72502
- https://access.redhat.com/errata/RHSA-2026:74674
- https://access.redhat.com/errata/RHSA-2026:82304
- https://access.redhat.com/errata/RHSA-2026:82322
- https://access.redhat.com/errata/RHSA-2026:82347
- https://access.redhat.com/errata/RHSA-2026:82354
- https://access.redhat.com/errata/RHSA-2026:82372
- https://access.redhat.com/errata/RHSA-2026:82857
- https://access.redhat.com/errata/RHSA-2026:82888
- https://access.redhat.com/security/cve/CVE-2026-3833
- https://bugzilla.redhat.com/show_bug.cgi?id=2445763
- https://gitlab.com/gnutls/gnutls/-/issues/1803