CVE-2026-52720

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"baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "versions": [{"status": "unaffected", "version": "0:1.26.7-2.el10_2.4", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux_eus:10.0"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:1.24.11-3.el10_0.4", "lessThan": "*", 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"cpe:/a:redhat:rhel_tus:8.8::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "versions": [{"status": "unaffected", "version": "0:1.16.1-4.el8_8.2", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"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", "versions": [{"status": "unaffected", "version": "0:1.16.1-4.el8_8.2", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:1.22.12-7.el9_8.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.2::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:1.18.4-9.el9_2.3", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.4::appstream"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:1.22.1-6.el9_4.4", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"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 9.6 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:1.22.12-5.el9_6.4", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "gstreamer-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": 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["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:1.16.1-8.el8_10", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:1.16.1-4.el8_4.2", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus_long_life:8.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:1.16.1-4.el8_4.2", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:1.16.1-4.el8_6.2", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus_long_life:8.6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:1.16.1-4.el8_6.2", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:1.22.12-7.el9_8.1", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:1.18.4-9.el9_2.3", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:1.22.1-6.el9_4.4", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus:9.6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:1.22.12-5.el9_6.4", "lessThan": "*", "versionType": "rpm"}], "packageName": "gstreamer1-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "gstreamer-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "gstreamer-plugins-bad-free", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-06-15T20:16:32.580", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:36749", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36834", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37130", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47069", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47070", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47071", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47075", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47076", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47176", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47717", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47718", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-52720", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486731", "source": "secalert@redhat.com"}, {"url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5105", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36749", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36834", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37130", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47069", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47070", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47071", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47075", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47076", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47176", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47717", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47718", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-52720", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486731", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52720.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-122"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "A heap buffer overflow vulnerability was found in GStreamer's librfb (RFB/VNC client). The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a malicious VNC server and trick a user into connecting, resulting in an out-of-bounds heap write that could lead to code execution or a crash."}], "lastModified": "2026-07-30T12:19:01.463", "sourceIdentifier": "secalert@redhat.com"}