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.
Metrics
Affected Vendors & Products
References
History
Sun, 03 May 2026 19:45:00 +0000
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Fri, 01 May 2026 08:45:00 +0000
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Gnu
Gnu gnutls Redhat hardened Images Redhat openshift Container Platform |
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Gnu
Gnu gnutls Redhat hardened Images Redhat openshift Container Platform |
Fri, 01 May 2026 00:15:00 +0000
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threat_severity
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threat_severity
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Thu, 30 Apr 2026 19:15:00 +0000
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ssvc
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Thu, 30 Apr 2026 18:00:00 +0000
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| Description | 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. | |
| Title | Gnutls: gnutls: denial of service via dtls zero-length fragment | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
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| Weaknesses | CWE-191 | |
| CPEs | cpe:/a:redhat:hummingbird:1 cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
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cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published: 2026-04-30T17:41:34.076Z
Updated: 2026-05-04T12:54:18.629Z
Reserved: 2026-03-24T05:31:54.914Z
Link: CVE-2026-33845
Updated: 2026-04-30T18:40:43.385Z
Status : Undergoing Analysis
Published: 2026-04-30T18:16:28.003
Modified: 2026-05-03T20:16:02.377
Link: CVE-2026-33845