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CVE-2018-15127
CRITICAL
LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution
Published: Dec 19, 2018
Modified: Jun 17, 2026
CWE-787
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (13)
| Vendor | Product | Version |
|---|---|---|
| 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 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_server_aus | 7.6 |
| redhat | enterprise_linux_server_eus | 7.6 |
| redhat | enterprise_linux_server_tus | 7.6 |
| redhat | enterprise_linux_workstation | 7.0 |
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
GitHub Security Advisory GHSA-2pgv-ghf3-xj9q
LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write...
References (16)
- https://access.redhat.com/errata/RHSA-2019:0059 Third Party Advisory
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-libvnc-heap-out-of-bound-write/ 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
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4587-1/
- https://www.debian.org/security/2019/dsa-4383 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0059 Third Party Advisory
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-libvnc-heap-out-of-bound-write/ 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
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4587-1/
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
15.09%
Top 4% most likely to be exploited
Threat Score
43.7 / 100
Data Sources
NVD
EPSS
GitHub