{"id":"CVE-2026-59692","title":"A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin","summary":"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 un…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-121"],"published":"2026-07-09","updated":"2026-08-03","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-59692","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:47179","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:47180","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:47731","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-59692","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497344","label":"secalert@redhat.com"},{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/99","label":"secalert@redhat.com"},{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5172","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:54658","label":"RHSA-2026:54658"},{"url":"https://access.redhat.com/errata/RHSA-2026:54659","label":"RHSA-2026:54659"},{"url":"https://access.redhat.com/errata/RHSA-2026:54660","label":"RHSA-2026:54660"},{"url":"https://access.redhat.com/errata/RHSA-2026:54664","label":"RHSA-2026:54664"},{"url":"https://access.redhat.com/errata/RHSA-2026:54665","label":"RHSA-2026:54665"},{"url":"https://access.redhat.com/errata/RHSA-2026:54752","label":"RHSA-2026:54752"},{"url":"https://access.redhat.com/errata/RHSA-2026:56658","label":"RHSA-2026:56658"},{"url":"https://access.redhat.com/errata/RHSA-2026:56772","label":"RHSA-2026:56772"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59692.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-59692"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59692"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00577,"epssPercentile":0.46286,"ingestedAt":"2026-08-03T10:24:20.483Z","vendor":"Red Hat","product":"gstreamer1-plugins-bad-free","affected":["gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer1-plugins-bad-free (all versions)","gstreamer-plugins-bad-free (all versions)","gstreamer-plugins-bad-free (all versions)"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-09T13:33:46.281179Z"},"patched":["enterprise_linux_server_v_7_els","enterprise_linux_server_optional_v_7_els","enterprise_linux_appstream_eus_v_10_0","enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_8","enterprise_linux_appstream_aus_v_8_4","enterprise_linux_appstream_eus_extension_v_8_4","enterprise_linux_appstream_aus_v_8_6","enterprise_linux_appstream_eus_extension_v_8_6","enterprise_linux_appstream_e4s_v_8_8","enterprise_linux_appstream_tus_v_8_8","enterprise_linux_appstream_e4s_v_9_2","enterprise_linux_appstream_e4s_v_9_4","enterprise_linux_appstream_eus_v_9_6","enterprise_linux_appstream_v_9","enterprise_linux_codeready_linux_builder_eus_v_10_0","enterprise_linux_codeready_linux_builder_v_10","enterprise_linux_crb_v_8","codeready_linux_builder_eus_v_9_6","enterprise_linux_codeready_linux_builder_v_9"],"slug":"CVE-2026-59692","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:54752** · Red Hat · fixed in: Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Enterprise Linux Server Optional (v. 7 ELS) · released 2026-08-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:54752)\n- **RHSA-2026:54659** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54659)\n- **RHSA-2026:47180** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-07-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:47180)\n- **RHSA-2026:47731** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-07-30 · [advisory](https://access.redhat.com/errata/RHSA-2026:47731)\n- **RHSA-2026:56772** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · released 2026-08-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:56772)\n- **RHSA-2026:54665** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54665)\n- **RHSA-2026:54664** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54664)\n- **RHSA-2026:56658** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.2) · released 2026-08-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:56658)\n- **RHSA-2026:54658** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.4) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54658)\n- **RHSA-2026:54660** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v.9.6), Red Hat CodeReady Linux Builder EUS (v.9.6) · released 2026-08-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:54660)\n- **RHSA-2026:47179** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-08-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:47179)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · updated 2026-09-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59692.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}