CVE catalog
CVE-2018-7225
libvncserver: CVE-2018-7225
- Severity
- High · CVSS 7.1
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 6.11% · Oct 25, 2026
An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.
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 | vino | bookworm | 3.22.0-6 | fixed |
| Debian | tightvnc | sid | 1:1.3.10-11 | fixed |
| Debian | tightvnc | forky | 1:1.3.10-11 | fixed |
| Debian | tightvnc | trixie | 1:1.3.10-9 | fixed |
| Debian | tightvnc | bookworm | 1:1.3.10-7 | fixed |
| Debian | libvncserver | sid | 0.9.15+dfsg-6 | fixed |
| Debian | libvncserver | forky | 0.9.15+dfsg-6 | fixed |
| Debian | libvncserver | trixie | 0.9.15+dfsg-1+deb13u2 | fixed |
| Debian | libvncserver | bookworm | 0.9.14+dfsg-1+deb12u2 | fixed |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1 | vulnerable |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1ubuntu1.1 | vulnerable |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1ubuntu1.2 | vulnerable |
| Ubuntu | libvncserver | 14.04 | 0.9.9+dfsg-1ubuntu1.3 | fixed |
| Ubuntu | libvncserver | 16.04 | 0.9.10+dfsg-3 | vulnerable |
| Ubuntu | libvncserver | 16.04 | 0.9.10+dfsg-3build1 | vulnerable |
| Ubuntu | libvncserver | 16.04 | 0.9.10+dfsg-3ubuntu0.16.04.1 | vulnerable |
| Ubuntu | libvncserver | 16.04 | 0.9.10+dfsg-3ubuntu0.16.04.2 | fixed |
| Suse | LibVNCServer | linux enterprise software development kit 11 sp4 | 0.9.1-160.3.1 | fixed |
| Suse | LibVNCServer | linux enterprise server 11 sp4 | 0.9.1-160.3.1 | fixed |
| Suse | LibVNCServer | linux enterprise server for sap applications 11 sp4 | 0.9.1-160.3.1 | fixed |
| Alpine | libvncserver | 3.10 | 0.9.11-r2 | fixed |
| Alpine | libvncserver | 3.11 | 0.9.11-r2 | fixed |
| Alpine | libvncserver | 3.5 | 0.9.11-r1 | fixed |
| Alpine | libvncserver | 3.6 | 0.9.11-r1 | fixed |
| Alpine | libvncserver | 3.7 | 0.9.11-r2 | fixed |
| Alpine | libvncserver | 3.8 | 0.9.11-r2 | fixed |
| Alpine | libvncserver | 3.9 | 0.9.11-r2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | vino | source | bookworm | 3.22.0-6 | not yet assigned | Not reported | [945784] |
| Debian | tightvnc | source | sid | 1:1.3.9-9.1 | not yet assigned | Not reported | Not reported |
| Debian | tightvnc | source | forky | 1:1.3.9-9.1 | not yet assigned | Not reported | Not reported |
| Debian | tightvnc | source | trixie | 1:1.3.9-9.1 | not yet assigned | Not reported | Not reported |
| Debian | tightvnc | source | bookworm | 1:1.3.9-9.1 | not yet assigned | Not reported | Not reported |
| Debian | libvncserver | source | sid | 0.9.11+dfsg-1.1 | not yet assigned | Not reported | [894045] |
| Debian | libvncserver | source | forky | 0.9.11+dfsg-1.1 | not yet assigned | Not reported | [894045] |
| Debian | libvncserver | source | trixie | 0.9.11+dfsg-1.1 | not yet assigned | Not reported | [894045] |
| Debian | libvncserver | source | bookworm | 0.9.11+dfsg-1.1 | not yet assigned | Not reported | [894045] |
| Ubuntu | libvncserver | deb | 14.04 | 0.9.9+dfsg-1ubuntu1.3 | Not reported | USN-3618-1 | Not reported |
| Ubuntu | libvncserver | deb | 16.04 | 0.9.10+dfsg-3ubuntu0.16.04.2 | Not reported | USN-3618-1 | Not reported |
| Suse | LibVNCServer | rpm | linux enterprise software development kit 11 sp4 | 0.9.1-160.3.1 | Not reported | SUSE-SU-2018:0875-1 | Not reported |
| Suse | LibVNCServer | rpm | linux enterprise server 11 sp4 | 0.9.1-160.3.1 | Not reported | SUSE-SU-2018:0875-1 | Not reported |
| Suse | LibVNCServer | rpm | linux enterprise server for sap applications 11 sp4 | 0.9.1-160.3.1 | Not reported | SUSE-SU-2018:0875-1 | Not reported |
| Alpine | libvncserver | apk | 3.10 | 0.9.11-r2 | Not reported | ALPINE-CVE-2018-7225 | Not reported |
| Alpine | libvncserver | apk | 3.11 | 0.9.11-r2 | Not reported | ALPINE-CVE-2018-7225 | Not reported |
| Alpine | libvncserver | apk | 3.5 | 0.9.11-r1 | Not reported | ALPINE-CVE-2018-7225 | Not reported |
| Alpine | libvncserver | apk | 3.6 | 0.9.11-r1 | Not reported | ALPINE-CVE-2018-7225 | Not reported |
| Alpine | libvncserver | apk | 3.7 | 0.9.11-r2 | Not reported | ALPINE-CVE-2018-7225 | Not reported |
| Alpine | libvncserver | apk | 3.8 | 0.9.11-r2 | Not reported | ALPINE-CVE-2018-7225 | Not reported |
| Alpine | libvncserver | apk | 3.9 | 0.9.11-r2 | Not reported | ALPINE-CVE-2018-7225 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libvncclient1]Unknown
Source package: [libvncserver]
Details (2)
0.9.14+dfsg-1+deb12u2· amd64 · bookwormFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
0.9.14+dfsg-1+deb12u2· arm64 · bookwormFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
- [libvncserver1]Unknown
Source package: [libvncserver]
Details (2)
0.9.14+dfsg-1+deb12u2· amd64 · bookwormFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
0.9.14+dfsg-1+deb12u2· arm64 · bookwormFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
- [libvncserver-dev]Unknown
Source package: [libvncserver]
Details (2)
0.9.14+dfsg-1+deb12u2· amd64 · bookwormFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
0.9.14+dfsg-1+deb12u2· arm64 · bookwormFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · bookworm; dsa · libvncserver · debian · 12
- [tightvncpasswd]Unknown
Source package: [tightvnc]
Details (2)
1:1.3.10-7· amd64 · bookwormFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · bookworm; dsa · tightvnc · debian · 12
1:1.3.10-7· arm64 · bookwormFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · bookworm; dsa · tightvnc · debian · 12
- [tightvncserver]Unknown
Source package: [tightvnc]
Details (2)
1:1.3.10-7· amd64 · bookwormFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · bookworm; dsa · tightvnc · debian · 12
1:1.3.10-7· arm64 · bookwormFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · bookworm; dsa · tightvnc · debian · 12
- [vino]Unknown
Details (2)
3.22.0-6· amd64 · bookwormFixed · Fixed:
3.22.0-6dsa · vino · debian · bookworm; dsa · vino · debian · 12
3.22.0-6· arm64 · bookwormFixed · Fixed:
3.22.0-6dsa · vino · debian · bookworm; dsa · vino · debian · 12
- [xtightvncviewer]Unknown
Source package: [tightvnc]
Details (2)
1:1.3.10-7· amd64 · bookwormFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · bookworm; dsa · tightvnc · debian · 12
1:1.3.10-7· arm64 · bookwormFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · bookworm; dsa · tightvnc · debian · 12
[Debian 13 (Trixie)]
- [libvncclient1]Unknown
Source package: [libvncserver]
Details (2)
0.9.15+dfsg-1+deb13u2· amd64 · trixieFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · 13
0.9.15+dfsg-1+deb13u2· arm64 · trixieFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · 13
- [libvncserver1]Unknown
Source package: [libvncserver]
Details (2)
0.9.15+dfsg-1+deb13u2· amd64 · trixieFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · 13
0.9.15+dfsg-1+deb13u2· arm64 · trixieFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · 13
- [libvncserver-dev]Unknown
Source package: [libvncserver]
Details (2)
0.9.15+dfsg-1+deb13u2· amd64 · trixieFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · 13
0.9.15+dfsg-1+deb13u2· arm64 · trixieFixed · Fixed:
0.9.11+dfsg-1.1dsa · libvncserver · debian · 13
- [tightvncpasswd]Unknown
Source package: [tightvnc]
Details (2)
1:1.3.10-9· amd64 · trixieFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · 13
1:1.3.10-9+b1· arm64 · trixieFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · 13
- [tightvncserver]Unknown
Source package: [tightvnc]
Details (2)
1:1.3.10-9· amd64 · trixieFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · 13
1:1.3.10-9+b1· arm64 · trixieFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · 13
- [xtightvncviewer]Unknown
Source package: [tightvnc]
Details (2)
1:1.3.10-9· amd64 · trixieFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · 13
1:1.3.10-9+b1· arm64 · trixieFixed · Fixed:
1:1.3.9-9.1dsa · tightvnc · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2018:1055]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2018_1055.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-7225]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-7225]
- [https://osv.dev/vulnerability/DLA-1332-1]
- [https://osv.dev/vulnerability/DSA-4221-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:0875-1]
- [https://osv.dev/vulnerability/USN-3618-1]
- [https://security-tracker.debian.org/tracker/CVE-2018-7225]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]