critical
CVE-2026-34352
TigerVNC: x0vncserver: TigerVNC x0vncserver: Information disclosure, data manipulation, and denial of service via incorrect permissions
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat6.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by AlmaLinux (high), Oracle (high), Rocky Linux (high), Red Hat (medium), Amazon (medium).
Description
In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| alma 8 | tigervnc, tigervnc-icons, tigervnc-license and 4 more | 1.15.0-9.el8_10 |
| alma 9 | tigervnc, tigervnc-icons, tigervnc-license and 4 more | 1.15.0-7.el9_8.1 |
| amazon linux 2 | tigervnc, tigervnc-debuginfo, tigervnc-icons and 5 more | 1.8.0-24.amzn2.0.8 |
| amazon linux 2023 | tigervnc, tigervnc-debuginfo, tigervnc-debugsource and 9 more | 1.14.1-3.amzn2023.0.4 |
| debian 11 | tigervnc | no fix listed |
| debian 12 | tigervnc | no fix listed |
| debian 13 | tigervnc | 1.15.0+dfsg-2.1~deb13u1 |
| debian 14 | tigervnc | 1.15.0+dfsg-2.1 |
| echo | tigervnc | 1.15.0+dfsg-2.1~deb13u1 |
| Oracle Linux 7 | tigervnc, tigervnc-icons, tigervnc-license and 4 more | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 8 | tigervnc, tigervnc-icons, tigervnc-license and 4 more | 1.15.0-9.el8_10 |
| Oracle Linux 9 | tigervnc, tigervnc-icons, tigervnc-license and 4 more | 1.15.0-7.el9_8.1 |
Show all 102 entries from 24 sources
| Source | Package | Fixed in |
|---|---|---|
| alma 8 | tigervnc | 1.15.0-9.el8_10 |
| alma 8 | tigervnc-icons | 1.15.0-9.el8_10 |
| alma 8 | tigervnc-license | 1.15.0-9.el8_10 |
| alma 8 | tigervnc-selinux | 1.15.0-9.el8_10 |
| alma 8 | tigervnc-server | 1.15.0-9.el8_10 |
| alma 8 | tigervnc-server-minimal | 1.15.0-9.el8_10 |
| alma 8 | tigervnc-server-module | 1.15.0-9.el8_10 |
| alma 9 | tigervnc | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-icons | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-license | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-selinux | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-server | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-server-minimal | 1.15.0-7.el9_8.1 |
| alma 9 | tigervnc-server-module | 1.15.0-7.el9_8.1 |
| amazon linux 2 | tigervnc | 1.8.0-24.amzn2.0.8 |
| amazon linux 2 | tigervnc-debuginfo | 1.8.0-24.amzn2.0.8 |
| amazon linux 2 | tigervnc-icons | 1.8.0-24.amzn2.0.8 |
| amazon linux 2 | tigervnc-license | 1.8.0-24.amzn2.0.8 |
| amazon linux 2 | tigervnc-server | 1.8.0-24.amzn2.0.8 |
| amazon linux 2 | tigervnc-server-applet | 1.8.0-24.amzn2.0.8 |
| amazon linux 2 | tigervnc-server-minimal | 1.8.0-24.amzn2.0.8 |
| amazon linux 2 | tigervnc-server-module | 1.8.0-24.amzn2.0.8 |
| amazon linux 2023 | tigervnc | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-debuginfo | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-debugsource | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-icons | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-license | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-selinux | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-server | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-server-debuginfo | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-server-minimal | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-server-minimal-debuginfo | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-server-module | 1.14.1-3.amzn2023.0.4 |
| amazon linux 2023 | tigervnc-server-module-debuginfo | 1.14.1-3.amzn2023.0.4 |
| debian 11 | tigervnc | no fix listed |
| debian 12 | tigervnc | no fix listed |
| debian 13 | tigervnc | 1.15.0+dfsg-2.1~deb13u1 |
| debian 14 | tigervnc | 1.15.0+dfsg-2.1 |
| echo | tigervnc | 1.15.0+dfsg-2.1~deb13u1 |
| Oracle Linux 7 | tigervnc | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-icons | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-license | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server-applet | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server-minimal | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 7 | tigervnc-server-module | 1.8.0-33.0.11.el7_9 |
| Oracle Linux 8 | tigervnc | 1.15.0-9.el8_10 |
| Oracle Linux 8 | tigervnc-icons | 1.15.0-9.el8_10 |
| Oracle Linux 8 | tigervnc-license | 1.15.0-9.el8_10 |
| Oracle Linux 8 | tigervnc-selinux | 1.15.0-9.el8_10 |
| Oracle Linux 8 | tigervnc-server | 1.15.0-9.el8_10 |
| Oracle Linux 8 | tigervnc-server-minimal | 1.15.0-9.el8_10 |
| Oracle Linux 8 | tigervnc-server-module | 1.15.0-9.el8_10 |
| Oracle Linux 9 | tigervnc | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-icons | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-license | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-selinux | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-server | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-server-minimal | 1.15.0-7.el9_8.1 |
| Oracle Linux 9 | tigervnc-server-module | 1.15.0-7.el9_8.1 |
| rapidfort alpine 3.20 | tigervnc | 1.16.2-r0 |
| rapidfort alpine 3.21 | tigervnc | 1.16.2-r0 |
| rapidfort alpine 3.22 | tigervnc | 1.16.2-r0 |
| rapidfort alpine 3.23 | tigervnc | 1.16.2-r0 |
| rapidfort alpine 3.24 | tigervnc | 1.16.2-r0 |
| rapidfort amazon linux 2023 | tigervnc | 1.14.1-3.amzn2023.0.4 |
| rapidfort amazon linux 2023 | tigervnc-icons | 1.14.1-3.amzn2023.0.4 |
| rapidfort amazon linux 2023 | tigervnc-license | 1.14.1-3.amzn2023.0.4 |
| rapidfort amazon linux 2023 | tigervnc-selinux | 1.14.1-3.amzn2023.0.4 |
| rapidfort amazon linux 2023 | tigervnc-server | 1.14.1-3.amzn2023.0.4 |
| rapidfort amazon linux 2023 | tigervnc-server-minimal | 1.14.1-3.amzn2023.0.4 |
| rapidfort amazon linux 2023 | tigervnc-server-module | 1.14.1-3.amzn2023.0.4 |
| rapidfort debian 12 | tigervnc | 0:1.15.0+dfsg-2.1, 0:1.15.0+dfsg-2.1~deb13u1 |
| rapidfort debian 13 | tigervnc | 0:1.15.0+dfsg-2.1, 0:1.15.0+dfsg-2.1~deb13u1 |
| rapidfort fedora 43 | tigervnc | 1.16.2-1.fc43 |
| rapidfort fedora 43 | tigervnc-icons | 1.16.2-1.fc43 |
| rapidfort fedora 43 | tigervnc-license | 1.16.2-1.fc43 |
| rapidfort fedora 43 | tigervnc-selinux | 1.16.2-1.fc43 |
| rapidfort fedora 43 | tigervnc-server | 1.16.2-1.fc43 |
| rapidfort fedora 43 | tigervnc-server-minimal | 1.16.2-1.fc43 |
| rapidfort fedora 43 | tigervnc-server-module | 1.16.2-1.fc43 |
| rapidfort Oracle Linux 9 | tigervnc | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-icons | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-license | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-selinux | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-server | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-server-minimal | 0:1.15.0-7.el9_8.1 |
| rapidfort Oracle Linux 9 | tigervnc-server-module | 0:1.15.0-7.el9_8.1 |
| rocky 8 | tigervnc | 1.15.0-9.el8_10 |
| rocky 8 | tigervnc-icons | 1.15.0-9.el8_10 |
| rocky 8 | tigervnc-license | 1.15.0-9.el8_10 |
| rocky 8 | tigervnc-selinux | 1.15.0-9.el8_10 |
| rocky 8 | tigervnc-server | 1.15.0-9.el8_10 |
| rocky 8 | tigervnc-server-minimal | 1.15.0-9.el8_10 |
| rocky 8 | tigervnc-server-module | 1.15.0-9.el8_10 |
| rocky 9 | tigervnc | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-icons | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-license | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-selinux | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-server | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-server-minimal | 1.15.0-7.el9_8.1 |
| rocky 9 | tigervnc-server-module | 1.15.0-7.el9_8.1 |
References
- https://access.redhat.com/errata/RHSA-2026:19342
- https://access.redhat.com/security/cve/CVE-2026-34352
- https://bugzilla.redhat.com/2451106
- https://bugzilla.redhat.com/2451107
- https://bugzilla.redhat.com/2451109
- https://bugzilla.redhat.com/2451113
- https://bugzilla.redhat.com/2452022
- https://bugzilla.redhat.com/show_bug.cgi?id=2451106
All 29 references
- https://bugzilla.redhat.com/show_bug.cgi?id=2451107
- https://bugzilla.redhat.com/show_bug.cgi?id=2451109
- https://bugzilla.redhat.com/show_bug.cgi?id=2451113
- https://bugzilla.redhat.com/show_bug.cgi?id=2452022
- https://creativecommons.org/licenses/by/4.0/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-33999
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34000
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34001
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34003
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34352
- https://errata.almalinux.org/9/ALSA-2026-19342.html
- https://errata.rockylinux.org/RLSA-2026:19342
- https://github.com/TigerVNC/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393
- https://github.com/TigerVNC/tigervnc/issues/2079
- https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI
- https://linux.oracle.com/cve/CVE-2026-34352.html
- https://linux.oracle.com/errata/ELSA-2026-22456.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-34352
- https://sourceforge.net/projects/tigervnc/files/stable/1.16.2
- https://www.cve.org/CVERecord?id=CVE-2026-34352
- https://www.openwall.com/lists/oss-security/2026/03/26/7