{"schema_version": "1.7.0", "id": "RLSA-2026:56966", "modified": "2026-08-20T06:09:31.391118Z", "published": "2026-08-20T06:01:13.357231Z", "upstream": ["CVE-2026-18649", "CVE-2026-73433", "CVE-2026-73434"], "summary": "Moderate: gstreamer1-plugins-good security update", "details": "GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-good packages contain a collection of well-supported plug-ins of good quality and under the LGPL license.\n\nSecurity Fix(es):\n\n* gst-plugins-good: gst-plugins-good: unbounded memory growth in rtph264depay and rtph265depay RTP depayloaders (CVE-2026-18649)\n\n* gstreamer1-plugins-good: gstreamer: unsigned integer underflow in avidemux FUJIFILM strd parsing leading to out-of-bounds read/write (CVE-2026-73433)\n\n* gstreamer1-plugins-good: gstreamer: out-of-bounds read in avidemux vprp video field descriptor parsing (CVE-2026-73434)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "gstreamer1-plugins-good", "purl": "pkg:rpm/rocky-linux/gstreamer1-plugins-good?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.16.1-7.el8_10.3"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:56966"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510614"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514801"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514807"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:56966"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:56966"}}