A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service.
References
Configurations
Configuration 1 (hide)
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History
20 Jul 2026, 12:18
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| References | () https://access.redhat.com/errata/RHSA-2026:41921 - |
20 Jul 2026, 10:16
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07 Jul 2026, 12:16
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| 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 - |
06 Jul 2026, 20:16
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06 Jul 2026, 18:16
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02 Jul 2026, 12:17
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| References | () https://access.redhat.com/errata/RHSA-2026:34372 - |
01 Jul 2026, 20:17
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30 Jun 2026, 03:18
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| References | () https://access.redhat.com/errata/RHSA-2026:13274 - Vendor Advisory | |
| 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-2026-33845 - Vendor Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2450624 - Issue Tracking, Vendor Advisory |
29 Jun 2026, 21:16
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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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24 Jun 2026, 17:16
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17 Jun 2026, 13:20
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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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05 May 2026, 03:03
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| References | () https://access.redhat.com/errata/RHSA-2026:13274 - Vendor Advisory | |
| References | () https://access.redhat.com/security/cve/CVE-2026-33845 - Vendor Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2450624 - Issue Tracking, Vendor Advisory | |
| First Time |
Redhat
Redhat enterprise Linux Gnu gnutls Gnu Redhat openshift Container Platform |
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| CPE | cpe:2.3:a:gnu:gnutls:-:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* 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:9.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
03 May 2026, 20:16
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30 Apr 2026, 18:16
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| New CVE |
Information
Published : 2026-04-30 18:16
Updated : 2026-07-20 12:18
NVD link : CVE-2026-33845
Mitre link : CVE-2026-33845
CVE.ORG link : CVE-2026-33845
JSON object : View
Products Affected
gnu
- gnutls
redhat
- openshift_container_platform
- enterprise_linux
CWE
CWE-191
Integer Underflow (Wrap or Wraparound)
