Red Hat Product Errata RHSA-2026:36673 - Security Advisory Issued: 2026-07-08 Updated: 2026-07-08 RHSA-2026:36673 - Security Advisory Overview Updated Packages Synopsis Moderate: gstreamer1-plugins-ugly-free security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for gstreamer1-plugins-ugly-free is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description GStreamer is a streaming media framework, based on graphs of elements which operate on media data. This package contains plug-ins whose license is not fully compatible with LGPL. Security Fix(es): gstreamer1-plugins-ugly-free: GStreamer: Out-of-bounds read in RealMedia demuxer audio stream header parser (CVE-2026-53703) For 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 10 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le Red Hat Enterprise Linux for ARM 64 10 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le Fixes BZ - 2487613 - CVE-2026-53703 gstreamer1-plugins-ugly-free: GStreamer: Out-of-bounds read in RealMedia demuxer audio stream header parser CVEs CVE-2026-53703 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 10 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 x86_64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: 103e8f7b9d1b85bc613c9a856b2f7c06143f4f5f214aa653885db2a1f06d8029 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: d56f98c80c7c6ee0353b6d2187d28d8c49f6594d31d155209e41059427eeaacb gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: aa8888157e3e18d5e88146ab9cb71f1b242f0bb470bbdd1150162130a9e10d06 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 x86_64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: 103e8f7b9d1b85bc613c9a856b2f7c06143f4f5f214aa653885db2a1f06d8029 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: d56f98c80c7c6ee0353b6d2187d28d8c49f6594d31d155209e41059427eeaacb gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: aa8888157e3e18d5e88146ab9cb71f1b242f0bb470bbdd1150162130a9e10d06 Red Hat Enterprise Linux for Power, little endian 10 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 ppc64le gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: e83fd20cd3ae1adc9c5c169b0660c95048ba8ff6b84cc7eaa59f1b43aeffdc58 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: fdbf81cd50af1e8fcd0e10d1c8830deb3fe0ebd1883b617192c04f6a52eeaf07 gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: 8900f569e7db41523ff2d844c198373e808cd8d550b8d554cec8dd1c98532bda Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 ppc64le gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: e83fd20cd3ae1adc9c5c169b0660c95048ba8ff6b84cc7eaa59f1b43aeffdc58 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: fdbf81cd50af1e8fcd0e10d1c8830deb3fe0ebd1883b617192c04f6a52eeaf07 gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: 8900f569e7db41523ff2d844c198373e808cd8d550b8d554cec8dd1c98532bda Red Hat Enterprise Linux for ARM 64 10 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 aarch64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7465abe4e9151f314201718b5976bfc5c3ae8eca82438174ec93034ff9a21fe8 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 3a99c8429d6a04838c31e6229bbdfde14704ab588475e89883d3f8a2901d607b gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7ea4e0d470a834f71dad974693299ca4b81103bb6e8c39a1de2968aa43e225ae Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 aarch64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7465abe4e9151f314201718b5976bfc5c3ae8eca82438174ec93034ff9a21fe8 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 3a99c8429d6a04838c31e6229bbdfde14704ab588475e89883d3f8a2901d607b gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7ea4e0d470a834f71dad974693299ca4b81103bb6e8c39a1de2968aa43e225ae Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 aarch64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7465abe4e9151f314201718b5976bfc5c3ae8eca82438174ec93034ff9a21fe8 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 3a99c8429d6a04838c31e6229bbdfde14704ab588475e89883d3f8a2901d607b gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7ea4e0d470a834f71dad974693299ca4b81103bb6e8c39a1de2968aa43e225ae Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 ppc64le gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: e83fd20cd3ae1adc9c5c169b0660c95048ba8ff6b84cc7eaa59f1b43aeffdc58 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: fdbf81cd50af1e8fcd0e10d1c8830deb3fe0ebd1883b617192c04f6a52eeaf07 gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: 8900f569e7db41523ff2d844c198373e808cd8d550b8d554cec8dd1c98532bda Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 x86_64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: 103e8f7b9d1b85bc613c9a856b2f7c06143f4f5f214aa653885db2a1f06d8029 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: d56f98c80c7c6ee0353b6d2187d28d8c49f6594d31d155209e41059427eeaacb gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: aa8888157e3e18d5e88146ab9cb71f1b242f0bb470bbdd1150162130a9e10d06 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 x86_64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: 103e8f7b9d1b85bc613c9a856b2f7c06143f4f5f214aa653885db2a1f06d8029 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: d56f98c80c7c6ee0353b6d2187d28d8c49f6594d31d155209e41059427eeaacb gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.x86_64.rpm SHA-256: aa8888157e3e18d5e88146ab9cb71f1b242f0bb470bbdd1150162130a9e10d06 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 aarch64 gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7465abe4e9151f314201718b5976bfc5c3ae8eca82438174ec93034ff9a21fe8 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 3a99c8429d6a04838c31e6229bbdfde14704ab588475e89883d3f8a2901d607b gstreamer1-plugins-ugly-free-debugsource-1.26.7-2.el10_2.1.aarch64.rpm SHA-256: 7ea4e0d470a834f71dad974693299ca4b81103bb6e8c39a1de2968aa43e225ae Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 SRPM gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.src.rpm SHA-256: ff97333fb5879c4f7cb99151e899f7c31de3697514cb507bb0a6d63c96c6ee66 ppc64le gstreamer1-plugins-ugly-free-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: e83fd20cd3ae1adc9c5c169b0660c95048ba8ff6b84cc7eaa59f1b43aeffdc58 gstreamer1-plugins-ugly-free-debuginfo-1.26.7-2.el10_2.1.ppc64le.rpm SHA-256: fdbf81cd50af1e8fcd0e10d1c8830deb3fe0ebd1883b617192c04f6a52eeaf07 gstreamer1-plugins-ugly-f