VDB
CVE-2018-20748
CVE-2018-20748
PUBLISHED
CVSS 9.800000190734863 CRITICAL
LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.
EPSS 3.26% · 87.9th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
3.26%
87.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | tightvnc | 0, 1.3.10-0ubuntu4, 1.3.10-0ubuntu3 |
| Ubuntu:14.04:LTS | libvncserver | 0.9.9+dfsg-1, 0.9.9+dfsg-1ubuntu1, 0.9.9+dfsg-1ubuntu1.3 |
| Ubuntu:16.04:LTS | italc | 1:2.0.2+dfsg1-3, 1:2.0.2+dfsg1-4, 0 |
| Ubuntu:16.04:LTS | tightvnc | 1.3.10-0ubuntu2, 1.3.10-0ubuntu3, 0 |
| Ubuntu:25.10 | tightvnc | 0, 1:1.3.10-9, 1:1.3.10-10 |
| Ubuntu:16.04:LTS | libvncserver | 0.9.10+dfsg-3build1, 0, 0.9.10+dfsg-3 |
| Ubuntu:18.04:LTS | italc | 1:3.0.3+dfsg1-1, *, 1:3.0.3+dfsg1-3 |
| Ubuntu:24.04:LTS | tightvnc | 0, *, 1:1.3.10-8 |
| Ubuntu:Pro:14.04:LTS | tightvnc | 1.3.9-6.4, 1.3.9-6.4ubuntu1, 0 |
| Ubuntu:20.04:LTS | tightvnc | 0, 1.3.10-0ubuntu5 |
| Ubuntu:18.04:LTS | libvncserver | 0.9.11+dfsg-1, *, 0 |
| Ubuntu:22.04:LTS | tightvnc | 1:1.3.10-5, 1:1.3.10-3, 0 |
Timeline
- Jan 30, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
- Jan 10, 2023 EPSS Score
- Mar 14, 2023 EPSS Score
- May 16, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-20748 third-party-advisory
- https://ubuntu.com/security/notices/USN-3877-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4547-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4587-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20748 third-party-advisory