{"id":"CLSA-2026-1782986813","summary":"tigervnc: Fix of CVE-2026-50262","details":"- CVE-2026-50262: fix reversed request-length check in GLX\n  __glXDisp_ChangeDrawableAttributes (and swapped variant) by reverting the\n  mesa size-check workaround and restoring REQUEST_FIXED_SIZE /\n  REQUEST_SIZE_MATCH in the bundled xserver GLX handlers (out-of-bounds read)","modified":"2026-10-26T09:30:10.687136068Z","published":"2026-07-02T10:07:10Z","upstream":["CVE-2026-50262"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1782986813.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50262"}],"affected":[{"package":{"name":"tigervnc","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tigervnc?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-13.el9_2.tuxcare.els26"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782986813.json"}},{"package":{"name":"tigervnc-icons","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tigervnc-icons?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-13.el9_2.tuxcare.els26"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782986813.json"}},{"package":{"name":"tigervnc-license","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tigervnc-license?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-13.el9_2.tuxcare.els26"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782986813.json"}},{"package":{"name":"tigervnc-selinux","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tigervnc-selinux?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-13.el9_2.tuxcare.els26"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782986813.json"}},{"package":{"name":"tigervnc-server","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tigervnc-server?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-13.el9_2.tuxcare.els26"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782986813.json"}},{"package":{"name":"tigervnc-server-minimal","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tigervnc-server-minimal?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-13.el9_2.tuxcare.els26"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782986813.json"}},{"package":{"name":"tigervnc-server-module","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/tigervnc-server-module?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-13.el9_2.tuxcare.els26"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1782986813.json"}}],"schema_version":"1.9.0"}