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.
References
Configurations
Configuration 1 (hide)
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History
20 Jul 2026, 12:19
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| References | () https://access.redhat.com/errata/RHSA-2026:41921 - |
20 Jul 2026, 10:16
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08 Jul 2026, 13:16
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| References | () https://access.redhat.com/errata/RHSA-2026:34764 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:34788 - |
07 Jul 2026, 19:16
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07 Jul 2026, 15:16
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07 Jul 2026, 12:16
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| References | () https://access.redhat.com/errata/RHSA-2026:34790 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:36004 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:36005 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:36006 - |
07 Jul 2026, 10:16
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06 Jul 2026, 20:16
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06 Jul 2026, 18:16
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30 Jun 2026, 03:19
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| References | () https://access.redhat.com/errata/RHSA-2026:13274 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:20611 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:20612 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:20613 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:26319 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:26409 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:29197 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:30004 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:30849 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:30850 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:32962 - | |
| References | () https://access.redhat.com/errata/RHSA-2026:33125 - | |
| References | () https://access.redhat.com/security/cve/CVE-2026-42010 - Vendor Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2467289 - Issue Tracking, Vendor Advisory |
29 Jun 2026, 22:16
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29 Jun 2026, 12:16
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29 Jun 2026, 09:16
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26 Jun 2026, 08:16
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25 Jun 2026, 20:17
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24 Jun 2026, 17:16
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17 Jun 2026, 13:20
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10 Jun 2026, 16:17
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| CWE | CWE-170 |
02 Jun 2026, 16:16
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01 Jun 2026, 21:16
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27 May 2026, 04:16
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14 May 2026, 23:16
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13 May 2026, 13:54
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| First Time |
Redhat hardened Images
Gnu Redhat openshift Container Platform Redhat enterprise Linux Gnu gnutls Redhat |
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| CPE | cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 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:9.0:*:*:*:*:*:*:* cpe:2.3:a:gnu:gnutls:-:*:*:*:*:*:*:* cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:* |
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| References | () https://access.redhat.com/security/cve/CVE-2026-42010 - Vendor Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2467289 - Issue Tracking, Vendor Advisory |
07 May 2026, 15:16
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| New CVE |
Information
Published : 2026-05-07 12:16
Updated : 2026-07-20 12:19
NVD link : CVE-2026-42010
Mitre link : CVE-2026-42010
CVE.ORG link : CVE-2026-42010
JSON object : View
Products Affected
redhat
- enterprise_linux
- openshift_container_platform
- hardened_images
gnu
- gnutls
