{"id":"RLSA-2025:2502","summary":"Important: tigervnc security update","details":"Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.\n\nSecurity Fix(es):\n\n* X.Org: Xwayland: Use-after-free of the root cursor (CVE-2025-26594)\n\n* xorg: xwayland: Use-after-free in SyncInitTrigger() (CVE-2025-26601)\n\n* xorg: xwayland: Use-after-free in PlayReleasedEvents() (CVE-2025-26600)\n\n* xorg: xwayland: Use of uninitialized pointer in compRedirectWindow() (CVE-2025-26599)\n\n* xorg: xwayland: Out-of-bounds write in CreatePointerBarrierClient() (CVE-2025-26598)\n\n* xorg: xwayland: Buffer overflow in XkbChangeTypesOfKey() (CVE-2025-26597)\n\n* xorg: xwayland: Heap overflow in XkbWriteKeySyms() (CVE-2025-26596)\n\n* Xorg: xwayland: Buffer overflow in XkbVModMaskText() (CVE-2025-26595)\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.","modified":"2025-05-07T20:08:49.283980Z","published":"2025-05-07T19:11:47.341314Z","upstream":["CVE-2025-26594","CVE-2025-26595","CVE-2025-26596","CVE-2025-26597","CVE-2025-26598","CVE-2025-26599","CVE-2025-26600","CVE-2025-26601"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:2502"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345248"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345251"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345252"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345253"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345254"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345255"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345256"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2345257"}],"affected":[{"package":{"name":"tigervnc","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/tigervnc?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.13.1-15.el8_10"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:2502.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}