VDB
CVE-2019-20839
CVE-2019-20839
PUBLISHED
CVSS 7.5 HIGH
libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
EPSS 3.59% · 89.0th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
3.59%
89.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | veyon | 0, 4.7.5+repack1-1ubuntu6, 4.7.5+repack1-1ubuntu7 |
| Ubuntu:18.04:LTS | libvncserver | 0, 0.9.11+dfsg-1ubuntu1.2, 0.9.11+dfsg-1 |
| Ubuntu:16.04:LTS | libvncserver | 0.9.10+dfsg-3ubuntu0.16.04.4, 0, 0.9.10+dfsg-3ubuntu0.16.04.2 |
| Ubuntu:20.04:LTS | veyon | 4.2.4+repack1-2, 4.2.5+repack1-1, 4.3.1+repack1-1 |
| Ubuntu:14.04:LTS | x11vnc | 0.9.13-1.1, 0 |
| Ubuntu:24.04:LTS | veyon | *, 4.7.5+repack1-1ubuntu5, 4.7.5+repack1-1ubuntu3 |
| Ubuntu:22.04:LTS | veyon | 0, 4.5.3+repack1-1build2, 4.5.3+repack1-1build1 |
| Ubuntu:20.04:LTS | libvncserver | 0.9.12+dfsg-7, 0.9.12+dfsg-8, 0.9.12+dfsg-9 |
Timeline
- Jun 17, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Jan 10, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- May 15, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-20839 third-party-advisory
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 third-party-advisory
- https://ubuntu.com/security/notices/USN-4434-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-20839 third-party-advisory