{"id":"CLSA-2026-1790608489","summary":"tigervnc: Fix of 2 CVEs","details":"- CVE-2026-50262: fix reversed request length check in GLX\n  ChangeDrawableAttributes in the bundled xorg-x11-server source\n- CVE-2026-50263: fix use-after-free of the screen private in ScreenSaver\n  CreateSaverWindow() in the bundled xorg-x11-server source\n- CVE-2026-55999: fix heap buffer overflow in glamor_font_get() in the\n  bundled xorg-x11-server source\n- Dropped the local xorg-CVE-2026-50256/50257/50258/50259/50260/50261 patches\n  and require xorg-x11-server-source \u003e= 1.20.4-99.el7_9.tuxcare.els14 instead;\n  those fixes are now carried by the xorg-x11-server source package, and\n  applying them again here failed %prep","modified":"2026-10-26T09:43:34.448743793Z","published":"2026-10-16T00:00:34Z","upstream":["CVE-2026-50256","CVE-2026-50262","CVE-2026-50263","CVE-2026-55999"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/oraclelinux7els/CLSA-2026-1790608489.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50262"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50263"}],"affected":[{"package":{"name":"tigervnc","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/tigervnc?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-33.0.11.el7_9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1790608489.json"}},{"package":{"name":"tigervnc-icons","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/tigervnc-icons?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-33.0.11.el7_9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1790608489.json"}},{"package":{"name":"tigervnc-license","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/tigervnc-license?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-33.0.11.el7_9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1790608489.json"}},{"package":{"name":"tigervnc-server","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/tigervnc-server?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-33.0.11.el7_9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1790608489.json"}},{"package":{"name":"tigervnc-server-applet","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/tigervnc-server-applet?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-33.0.11.el7_9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1790608489.json"}},{"package":{"name":"tigervnc-server-minimal","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/tigervnc-server-minimal?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-33.0.11.el7_9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1790608489.json"}},{"package":{"name":"tigervnc-server-module","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/tigervnc-server-module?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-33.0.11.el7_9.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1790608489.json"}}],"schema_version":"1.9.0"}