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Oracle Linux Tigervnc Important Security Advisory ELSA-2026-22456

oracle
Calendar Grey July 10, 2026
Oracle Linux Logo Esm H88
Critical updates for Oracle Linux 7's tigervnc addressing use-after-free and buffer overflow issues affecting system functionality.
The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

Summary

[1.8.0-33.0.11] - Fix CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003 and CVE-2026-34352 [Orabug: 39478221] [1.8.0-33.0.9] - Fix CVE-2025-62229: xorg-x11-server: Use-after-free in XPresentNotify structures creation [Orabug: 38694278] - Fix CVE-2025-62230: xorg-x11-server: Use-after-free in Xkb client resource removal - Fix CVE-2025-62231: xorg-x11-server: Value overflow in Xkb extension XkbSetCompatMap() [1.8.0-33.0.7] - Fix CVE-2025-49175, CVE-2025-49176, CVE-2025-49178, CVE-2025-49179, CVE-2025-49180 [Orabug: 38157695] [1.8.0-33.0.5] - Fix CVE-2025-26594 xorg-x11-server Use-after-free of the root cursor [Orabug: 37712725] - Fix CVE-2025-26595 xorg-x11-server Buffer overflow in XkbVModMaskText() - Fix CVE-2025-26596 xorg-x11-server Heap overflow in XkbWriteKeySyms() - Fix CVE-2025-26597 xorg-x11-server Buffer overflow in XkbChangeTypesOfKey() - Fix CVE-2025-26598 xorg-x11-server Out-of-bounds write in CreatePointerBarrierClient() - Fix CVE-2025-...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow remote access important Oracle use-after-free

SRPMs

http://oss.oracle.com/ol7/SRPMS-updates/tigervnc-1.8.0-33.0.11.el7_9.src.rpm

x86_64

tigervnc-1.8.0-33.0.11.el7_9.x86_64.rpm tigervnc-icons-1.8.0-33.0.11.el7_9.noarch.rpm tigervnc-license-1.8.0-33.0.11.el7_9.noarch.rpm tigervnc-server-1.8.0-33.0.11.el7_9.x86_64.rpm tigervnc-server-applet-1.8.0-33.0.11.el7_9.noarch.rpm tigervnc-server-minimal-1.8.0-33.0.11.el7_9.x86_64.rpm tigervnc-server-module-1.8.0-33.0.11.el7_9.x86_64.rpm

aarch64

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-33999 CVE-2026-34000 CVE-2026-34001 CVE-2026-34002 CVE-2026-34003 CVE-2026-34352

Topics%20covered

Topics Covered

security advisory buffer overflow remote access important Oracle use-after-free

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