CVEvulnerability
CVE-2018-20024
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-12-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
Description
LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.
Affected configurations
• libvnc project libvncserver (< 0.9.12)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
• debian debian linux 8.0
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-034-libvnc-null-pointer-dereference/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html lists.debian.org
- https://security.gentoo.org/glsa/201908-05 security.gentoo.org
- https://security.gentoo.org/glsa/202006-06 security.gentoo.org
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4547-2/ usn.ubuntu.com
- https://usn.ubuntu.com/4587-1/ usn.ubuntu.com
- https://www.debian.org/security/2019/dsa-4383 Third Party Advisory
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-034-libvnc-null-pointer-dereference/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html lists.debian.org
- https://security.gentoo.org/glsa/201908-05 security.gentoo.org
- https://security.gentoo.org/glsa/202006-06 security.gentoo.org
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4547-2/ usn.ubuntu.com
- https://usn.ubuntu.com/4587-1/ usn.ubuntu.com
- https://www.debian.org/security/2019/dsa-4383 Third Party Advisory