A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled…
Priority LOW 38CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.
Why it matters now
EPSS 0.03115 87th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:* | before 0.9.9 | Vulnerable | Libvncserver Project |
| cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* | 19 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* | 20 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* | 21 | Vulnerable | Fedoraproject |
- cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:* Versions before 0.9.9 Vulnerable ·Libvncserver Project
- cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* Versions 19 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* Versions 20 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* Versions 21 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2010-5304
- 2026-10-03 Alias added: GHSA-2wpx-v6qf-p32x
References
Advisory 6
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140219.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139814.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html
- http://seclists.org/oss-sec/2014/q3/639
- http://www.openwall.com/lists/oss-security/2014/09/23/6
Sources
- CVE-2010-5304 · CVE Program
- CVE-2010-5304 · NVD
- FIRST EPSS
- GHSA-2wpx-v6qf-p32x · GitHub Advisory Database · CC BY 4.0
- CVE-2010-5304 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences