Buffer overflow in Red Hat Enterprise Linux 10
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.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Red Hat Enterprise Linux 10 — versions 0:1.26.7-2.el10_2.6
- Red Hat Enterprise Linux 10.0 Extended Update Support — versions 0:1.24.11-3.el10_0.6
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 7 Extended Lifecycle Support — versions 0:1.10.4-7.el7_9
- Red Hat Enterprise Linux 8 — versions 0:1.16.1-9.el8_10.1
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support — versions 0:1.16.1-4.el8_6.4
- Red Hat Enterprise Linux 8.6 Extended Update Support Long-life Add-on — versions 0:1.16.1-4.el8_6.4
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service — versions 0:1.16.1-4.el8_8.4
- Red Hat Enterprise Linux 8.8 Update Services For Sap Solutions — versions 0:1.16.1-4.el8_8.4
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
- secalert@redhat.com
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2026-59692?
- CVE-2026-59692 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-07-09.
- How severe is CVE-2026-59692?
- High severity. CVSS v3 base score is 7.5 out of 10.