Oracle alert ELSA-2026-19342 (tigervnc)

From:
             
 
Errata Announcements for Oracle Linux via El-errata <el-errata@oss.oracle.com>
To:
             
 
el-errata@oss.oracle.com
Subject:
             
 
[El-errata] ELSA-2026-19342 Important: Oracle Linux 9 tigervnc security update
Date:
             
 
Thu, 25 Jun 2026 22:00:02 -0700
Message-ID:
             
 
<mailman.88.1782450015.18.el-errata@oss.oracle.com>
Oracle Linux Security Advisory ELSA-2026-19342

http://linux.oracle.com/errata/ELSA-2026-19342.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

x86_64:
tigervnc-1.15.0-7.el9_8.1.x86_64.rpm
tigervnc-icons-1.15.0-7.el9_8.1.noarch.rpm
tigervnc-license-1.15.0-7.el9_8.1.noarch.rpm
tigervnc-selinux-1.15.0-7.el9_8.1.noarch.rpm
tigervnc-server-1.15.0-7.el9_8.1.x86_64.rpm
tigervnc-server-minimal-1.15.0-7.el9_8.1.x86_64.rpm
tigervnc-server-module-1.15.0-7.el9_8.1.x86_64.rpm

aarch64:
tigervnc-1.15.0-7.el9_8.1.aarch64.rpm
tigervnc-icons-1.15.0-7.el9_8.1.noarch.rpm
tigervnc-license-1.15.0-7.el9_8.1.noarch.rpm
tigervnc-selinux-1.15.0-7.el9_8.1.noarch.rpm
tigervnc-server-1.15.0-7.el9_8.1.aarch64.rpm
tigervnc-server-minimal-1.15.0-7.el9_8.1.aarch64.rpm
tigervnc-server-module-1.15.0-7.el9_8.1.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/tigervnc-1.15.0-7...

Related CVEs:

CVE-2026-33999
CVE-2026-34000
CVE-2026-34001
CVE-2026-34003
CVE-2026-34352




Description of changes:

[1.15.0-7.1]
- Fix CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002,
  CVE-2026-34003 xorg-x11-server: various XKB and XSYNC vulnerabilities
  Resolves: RHEL-163213
  Resolves: RHEL-163281
  Resolves: RHEL-163267
- Fix CVE-2026-34352
  Resolves: RHEL-167986

[1.15.0-7]
- Fix CVE-2025-62229: xorg-x11-server: Use-after-free in XPresentNotify structures creation
  Resolves: RHEL-119989

- Fix CVE-2025-62230: xorg-x11-server: Use-after-free in Xkb client resource removal
  Resolves: RHEL-120009

- Fix CVE-2025-62231: xorg-x11-server: Value overflow in Xkb extension XkbSetCompatMap()
  Resolves: RHEL-120770

[1.15.0-5]
- Fix CVE-2025-49175: xorg-x11-server: Out-of-Bounds Read in X Rendering Extension Animated
Cursors
  Resolves: RHEL-97284

- Fix CVE-2025-49176: xorg-x11-server: Integer Overflow in Big Requests Extension
  Resolves: RHEL-97303

- Fix CVE-2025-49178: xorg-x11-server: Unprocessed Client Request Due to Bytes to Ignore
  Resolves: RHEL-97379

- Fix CVE-2025-49179: xorg-x11-server: Integer overflow in X Record extension
  Resolves: RHEL-97414

- Fix CVE-2025-49180: xorg-x11-server: Integer Overflow in X Resize, Rotate and Reflect (RandR)
Extension
  Resolves: RHEL-97429

[1.15.0-4]
- Fix broken authentication with x0vncserver
  Resolves: RHEL-93573

[1.15.0-3]
- Only warn about 8 characters limit, but let it proceed
  Resolves: RHEL-89432

[1.15.0-2]
- Fix inetd mode not working
  Resolves: RHEL-86511

[1.15.0-1]
- 1.15.0
  Resolves: RHEL-78617
- Add SELinux policy rules allowing to access /proc/sys/fs/nr_open
  Resolves: RHEL-77973
- Add SELinux policy rules allowing to create directories under /root
  Resolves: RHEL-77975
- Fix CVE-2025-26594 xorg-x11-server Use-after-free of the root cursor
  Resolves: RHEL-80208
- Fix CVE-2025-26595 xorg-x11-server Buffer overflow in XkbVModMaskText()
  Resolves: RHEL-80189
- Fix CVE-2025-26596 xorg-x11-server Heap overflow in XkbWriteKeySyms()
  Resolves: RHEL-80194
- Fix CVE-2025-26597 xorg-x11-server Buffer overflow in XkbChangeTypesOfKey()
  Resolves: RHEL-80196
- Fix CVE-2025-26598 xorg-x11-server Out-of-bounds write in CreatePointerBarrierClient()
  Resolves: RHEL-80197
- Fix CVE-2025-26599 xorg-x11-server Use of uninitialized pointer in compRedirectWindow()
  Resolves: RHEL-80206
- Fix CVE-2025-26600 xorg-x11-server Use-after-free in PlayReleasedEvents()
  Resolves: RHEL-80205
- Fix CVE-2025-26601 xorg-x11-server Use-after-free in SyncInitTrigger()
  Resolves: RHEL-80209

[1.14.1-4]
- Fix crash in clipboard support in x0vncserver
  Resolves: RHEL-74216

[1.14.1-3]
- Add clipboard support to x0vncserver
  Resolves: RHEL-74216

[1.14.1-2]
- Fix CVE-2024-9632: xorg-x11-server: heap-based buffer overflow privilege escalation
vulnerability
  Resolves: RHEL-62001


_______________________________________________
El-errata mailing list
El-errata@oss.oracle.com
https://oss.oracle.com/mailman/listinfo/el-errata