{"id":"CVE-2026-59692","state":"PUBLISHED","title":"Gstreamer1-plugins-bad-free: gstreamer: dtls certificate subject dn stack buffer overflow in openssl_verify_callback","description":"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.","publishedAt":"2026-07-09T09:35:31.557Z","updatedAt":"2026-09-10T14:43:22.921Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"redhat"},"assigner":"redhat","products":["Red Hat Red Hat Enterprise Linux 10","Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support","Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support","Red Hat Red Hat Enterprise Linux 8","Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support","Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On","Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support","Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On","Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service","Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions","Red Hat Red Hat Enterprise Linux 9","Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions","Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions","Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support","Red Hat Red Hat Enterprise Linux 6","Red Hat Red Hat Enterprise Linux 7"],"affected":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.26.7-2.el10_2.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.24.11-3.el10_0.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7 Extended Lifecycle Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.10.4-7.el7_9","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-9.el8_10.1","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8::appstream","cpe:/a:redhat:enterprise_linux:8::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_4.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.4::appstream","cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_4.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.4::appstream","cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_6.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_6.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Telecommunications Update Service","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_8.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:8.8::appstream","cpe:/a:redhat:rhel_tus:8.8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_8.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:8.8::appstream","cpe:/a:redhat:rhel_tus:8.8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.22.12-7.el9_8.3","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/a:redhat:enterprise_linux:9::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.18.4-9.el9_2.5","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.2::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.22.1-6.el9_4.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.6 Extended Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.22.12-5.el9_6.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_eus:9.6::appstream","cpe:/a:redhat:rhel_eus:9.6::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","packageName":"gstreamer-plugins-bad-free","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","packageName":"gstreamer-plugins-bad-free","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"]}],"references":["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"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59692.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59692","state":"PUBLISHED","datePublished":"2026-07-09T09:35:31.557Z","dateUpdated":"2026-09-10T14:43:22.921Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2026-07-06T13:40:46.923Z"},"containers":{"cna":{"title":"Gstreamer1-plugins-bad-free: gstreamer: dtls certificate subject dn stack buffer overflow in openssl_verify_callback","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."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.26.7-2.el10_2.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.24.11-3.el10_0.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7 Extended Lifecycle Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.10.4-7.el7_9","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-9.el8_10.1","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8::appstream","cpe:/a:redhat:enterprise_linux:8::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_4.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.4::appstream","cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_4.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.4::appstream","cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_6.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_6.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Telecommunications Update Service","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_8.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:8.8::appstream","cpe:/a:redhat:rhel_tus:8.8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.16.1-4.el8_8.4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:8.8::appstream","cpe:/a:redhat:rhel_tus:8.8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.22.12-7.el9_8.3","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/a:redhat:enterprise_linux:9::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.18.4-9.el9_2.5","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.2::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.22.1-6.el9_4.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.6 Extended Update Support","packageName":"gstreamer1-plugins-bad-free","defaultStatus":"affected","versions":[{"version":"0:1.22.12-5.el9_6.6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_eus:9.6::appstream","cpe:/a:redhat:rhel_eus:9.6::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","packageName":"gstreamer-plugins-bad-free","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","packageName":"gstreamer-plugins-bad-free","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:47179","name":"RHSA-2026:47179","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:47180","name":"RHSA-2026:47180","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:47731","name":"RHSA-2026:47731","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:54658","name":"RHSA-2026:54658","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:54659","name":"RHSA-2026:54659","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:54660","name":"RHSA-2026:54660","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:54664","name":"RHSA-2026:54664","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:54665","name":"RHSA-2026:54665","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:54752","name":"RHSA-2026:54752","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:56658","name":"RHSA-2026:56658","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:56772","name":"RHSA-2026:56772","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-59692","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497344","name":"RHBZ#2497344","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/99"},{"url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5172"}],"metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"Stack-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2026-09-10T14:43:22.921Z"},"datePublic":"2026-07-08T00:00:00.000Z","x_redhatCweChain":"CWE-121: Stack-based Buffer Overflow","workarounds":[{"lang":"en","value":"There is no complete mitigation for this vulnerability. The following measures can reduce risk:\n\n1. If WebRTC/DTLS functionality is not required, remove the DTLS plugin shared object from the GStreamer plugins directory (typically /usr/lib64/gstreamer-1.0/libgstdtls.so).\n2. Restrict network access to WebRTC/DTLS endpoints to trusted peers only via firewall rules.\n3. Deploy GStreamer WebRTC services behind a reverse proxy or media server that validates DTLS certificates before forwarding."}],"timeline":[{"lang":"en","time":"2026-07-06T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-07-08T00:00:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Clouditera Security (Clouditera), NSFOCUS (NSFOCUS), and Z.ai Security (Z.ai) for reporting this issue."}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T13:33:46.281179Z","id":"CVE-2026-59692","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-09T14:39:16.678Z"}}]}}}