CVE catalog

CVE-2026-34352

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.

[CVE catalog]

Severity: High · CVSS 8.5
Published: Mar 26, 2026, 10:30:46 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.25% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	tigervnc	sid	`1.16.2+dfsg-1`	fixed
Debian	tigervnc	forky	`1.16.2+dfsg-1`	fixed
Debian	tigervnc	trixie	`1.15.0+dfsg-2.1~deb13u1`	fixed
Debian	tigervnc	bookworm	`1.12.0+dfsg-8`	vulnerable
Cpe	tigervnc	Not reported	Not reported	vulnerable
Cpe	tigervnc	Not reported	`1.16.2`	fixed
Suse	tigervnc	linux enterprise server 16.0	`1.15.0-160000.3.1`	fixed
Suse	tigervnc	linux enterprise server for sap applications 16.0	`1.15.0-160000.3.1`	fixed
Suse	tigervnc	linux enterprise module for basesystem 15 sp7	`1.14.1-150700.4.3.1`	fixed
Suse	tigervnc	linux enterprise module for desktop applications 15 sp7	`1.14.1-150700.4.3.1`	fixed
Suse	tigervnc	linux enterprise high performance computing 15 sp5-espos	`1.12.0-150500.4.3.1`	fixed
Suse	tigervnc	linux enterprise high performance computing 15 sp5-ltss	`1.12.0-150500.4.3.1`	fixed
Suse	tigervnc	linux enterprise server 15 sp5-ltss	`1.12.0-150500.4.3.1`	fixed
Suse	tigervnc	linux enterprise server for sap applications 15 sp5	`1.12.0-150500.4.3.1`	fixed
Suse	tigervnc	linux enterprise high performance computing 15 sp4-espos	`1.10.1-150400.7.15.1`	fixed
Suse	tigervnc	linux enterprise high performance computing 15 sp4-ltss	`1.10.1-150400.7.15.1`	fixed
Suse	tigervnc	linux enterprise server 15 sp4-ltss	`1.10.1-150400.7.15.1`	fixed
Suse	tigervnc	linux enterprise server for sap applications 15 sp4	`1.10.1-150400.7.15.1`	fixed
Suse	tigervnc	linux enterprise server 12 sp5-ltss	`1.6.0-22.23.1`	fixed
Suse	tigervnc	linux enterprise server ltss extended security 12 sp5	`1.6.0-22.23.1`	fixed
Suse	tigervnc	linux enterprise server 15 sp6-ltss	`1.13.1-150600.4.3.1`	fixed
Suse	tigervnc	linux enterprise server for sap applications 15 sp6	`1.13.1-150600.4.3.1`	fixed
Opensuse	tigervnc	leap 15.6	`1.13.1-150600.4.3.1`	fixed
Opensuse	tigervnc	leap 16.0	`1.15.0-160000.3.1`	fixed
Opensuse	tigervnc	tumbleweed	`1.16.1-2.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	tigervnc	source	sid	`1.15.0+dfsg-2.1`	not yet assigned	Not reported	[1132166]
Debian	tigervnc	source	forky	`1.15.0+dfsg-2.1`	not yet assigned	Not reported	[1132166]
Debian	tigervnc	source	trixie	`1.15.0+dfsg-2.1~deb13u1`	not yet assigned	Not reported	[1132166]
Debian	tigervnc	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1132166]
Cpe	tigervnc	cpe	Not reported	`1.16.2`	Not reported	Not reported	Not reported
Suse	tigervnc	rpm	linux enterprise server 16.0	`1.15.0-160000.3.1`	Not reported	SUSE-SU-2026:21140-1	Not reported
Suse	tigervnc	rpm	linux enterprise server for sap applications 16.0	`1.15.0-160000.3.1`	Not reported	SUSE-SU-2026:21140-1	Not reported
Suse	tigervnc	rpm	linux enterprise module for basesystem 15 sp7	`1.14.1-150700.4.3.1`	Not reported	SUSE-SU-2026:1360-1	Not reported
Suse	tigervnc	rpm	linux enterprise module for desktop applications 15 sp7	`1.14.1-150700.4.3.1`	Not reported	SUSE-SU-2026:1360-1	Not reported
Suse	tigervnc	rpm	linux enterprise high performance computing 15 sp5-espos	`1.12.0-150500.4.3.1`	Not reported	SUSE-SU-2026:1302-1	Not reported
Suse	tigervnc	rpm	linux enterprise high performance computing 15 sp5-ltss	`1.12.0-150500.4.3.1`	Not reported	SUSE-SU-2026:1302-1	Not reported
Suse	tigervnc	rpm	linux enterprise server 15 sp5-ltss	`1.12.0-150500.4.3.1`	Not reported	SUSE-SU-2026:1302-1	Not reported
Suse	tigervnc	rpm	linux enterprise server for sap applications 15 sp5	`1.12.0-150500.4.3.1`	Not reported	SUSE-SU-2026:1302-1	Not reported
Suse	tigervnc	rpm	linux enterprise high performance computing 15 sp4-espos	`1.10.1-150400.7.15.1`	Not reported	SUSE-SU-2026:1303-1	Not reported
Suse	tigervnc	rpm	linux enterprise high performance computing 15 sp4-ltss	`1.10.1-150400.7.15.1`	Not reported	SUSE-SU-2026:1303-1	Not reported
Suse	tigervnc	rpm	linux enterprise server 15 sp4-ltss	`1.10.1-150400.7.15.1`	Not reported	SUSE-SU-2026:1303-1	Not reported
Suse	tigervnc	rpm	linux enterprise server for sap applications 15 sp4	`1.10.1-150400.7.15.1`	Not reported	SUSE-SU-2026:1303-1	Not reported
Suse	tigervnc	rpm	linux enterprise server 12 sp5-ltss	`1.6.0-22.23.1`	Not reported	SUSE-SU-2026:1301-1	Not reported
Suse	tigervnc	rpm	linux enterprise server ltss extended security 12 sp5	`1.6.0-22.23.1`	Not reported	SUSE-SU-2026:1301-1	Not reported
Suse	tigervnc	rpm	linux enterprise server 15 sp6-ltss	`1.13.1-150600.4.3.1`	Not reported	SUSE-SU-2026:1252-1	Not reported
Suse	tigervnc	rpm	linux enterprise server for sap applications 15 sp6	`1.13.1-150600.4.3.1`	Not reported	SUSE-SU-2026:1252-1	Not reported
Opensuse	tigervnc	rpm	leap 15.6	`1.13.1-150600.4.3.1`	Not reported	SUSE-SU-2026:1252-1	Not reported
Opensuse	tigervnc	rpm	leap 16.0	`1.15.0-160000.3.1`	Not reported	OPENSUSE-SU-2026:20465-1	Not reported
Opensuse	tigervnc	rpm	tumbleweed	`1.16.1-2.1`	Not reported	OPENSUSE-SU-2026:10470-1	Not reported

[Debian bug #1132166]

Notes

[bookworm] tigervnc: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[tigervnc-common]Affected
Source package: [tigervnc]
Details (2)
- 1.12.0+dfsg-8 · amd64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
- 1.12.0+dfsg-8 · arm64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
[tigervnc-scraping-server]Affected
Source package: [tigervnc]
Details (2)
- 1.12.0+dfsg-8 · amd64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
- 1.12.0+dfsg-8 · arm64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
[tigervnc-standalone-server]Affected
Source package: [tigervnc]
Details (2)
- 1.12.0+dfsg-8 · amd64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
- 1.12.0+dfsg-8 · arm64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
[tigervnc-tools]Affected
Source package: [tigervnc]
Details (2)
- 1.12.0+dfsg-8 · amd64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
- 1.12.0+dfsg-8 · arm64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
[tigervnc-viewer]Affected
Source package: [tigervnc]
Details (2)
- 1.12.0+dfsg-8 · amd64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
- 1.12.0+dfsg-8 · arm64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
[tigervnc-xorg-extension]Affected
Source package: [tigervnc]
Details (2)
- 1.12.0+dfsg-8 · amd64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12
- 1.12.0+dfsg-8 · arm64 · bookworm
  Affected
  nvd · tigervnc · debian · bookworm; nvd · tigervnc · debian · 12

[openSUSE Tumbleweed]

[libXvnc1]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed
[libXvnc-devel]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed
[tigervnc-selinux]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · noarch · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed
[tigervnc-x11vnc]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · noarch · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed
[xorg-x11-Xvnc]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed
[xorg-x11-Xvnc-java]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · noarch · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed
[xorg-x11-Xvnc-module]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed
[xorg-x11-Xvnc-novnc]Unknown
Source package: [tigervnc]
Details (1)
- 1.16.1-3.1 · noarch · tumbleweed
  Unknown · Fixed: 1.16.1-2.1
  Version impact unknown
  nvd · tigervnc · opensuse · tumbleweed

[Debian 13 (Trixie)]

[tigervnc-common]Fixed
Source package: [tigervnc]
Details (2)
- 1.15.0+dfsg-2.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
- 1.15.0+dfsg-2.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
[tigervnc-scraping-server]Fixed
Source package: [tigervnc]
Details (2)
- 1.15.0+dfsg-2.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
- 1.15.0+dfsg-2.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
[tigervnc-standalone-server]Fixed
Source package: [tigervnc]
Details (2)
- 1.15.0+dfsg-2.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
- 1.15.0+dfsg-2.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
[tigervnc-tools]Fixed
Source package: [tigervnc]
Details (2)
- 1.15.0+dfsg-2.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
- 1.15.0+dfsg-2.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
[tigervnc-viewer]Fixed
Source package: [tigervnc]
Details (2)
- 1.15.0+dfsg-2.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
- 1.15.0+dfsg-2.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
[tigervnc-xorg-extension]Fixed
Source package: [tigervnc]
Details (2)
- 1.15.0+dfsg-2.1~deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13
- 1.15.0+dfsg-2.1~deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.15.0+dfsg-2.1~deb13u1
  nvd · tigervnc · debian · 13

Next results

Observed: Oct 23, 2026, 10:36:29 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]