CVE-2026-59692

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an oversized Subject DN that exceeds the buffer, causing a stack buffer overflow and process crash, resulting in denial of service.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:47179
https://access.redhat.com/errata/RHSA-2026:47180
https://access.redhat.com/errata/RHSA-2026:47731
https://access.redhat.com/errata/RHSA-2026:54658
https://access.redhat.com/errata/RHSA-2026:54659
https://access.redhat.com/errata/RHSA-2026:54660
https://access.redhat.com/errata/RHSA-2026:54664
https://access.redhat.com/errata/RHSA-2026:54665
https://access.redhat.com/errata/RHSA-2026:54752
https://access.redhat.com/errata/RHSA-2026:56658
https://access.redhat.com/errata/RHSA-2026:56772
https://access.redhat.com/security/cve/CVE-2026-59692
https://bugzilla.redhat.com/show_bug.cgi?id=2497344
https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/99
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5172

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-09 11:16

Updated : 2026-08-19 10:16

NVD link : CVE-2026-59692

Mitre link : CVE-2026-59692

CVE.ORG link : CVE-2026-59692

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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"https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/99", "source": "secalert@redhat.com"}, {"url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5172", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an oversized Subject DN that exceeds the buffer, causing a stack buffer overflow and process crash, resulting in denial of service."}], "lastModified": "2026-08-19T10:16:37.890", "sourceIdentifier": "secalert@redhat.com"}