LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-libvncserver | Nov 27, 2019 | Oct 29, 2019 | |
| Debian | debian-upgrade-libvncserverdebian-upgrade-tightvncdebian-upgrade-vino | Nov 1, 2019 | Oct 29, 2019 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-vino | Feb 22, 2021 | Oct 29, 2019 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-vino | Jan 20, 2021 | Oct 29, 2019 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-vino | Dec 16, 2020 | Oct 29, 2019 | |
| Huawei Euleros 2_0_sp8 | huawei-euleros-2_0_sp8-upgrade-libvncserver | Aug 31, 2020 | Oct 29, 2019 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | Oct 29, 2019 | |
| Suse | — | suse-upgrade-libvncclient0suse-upgrade-libvncserversuse-upgrade-libvncserver-develsuse-upgrade-libvncserver0suse-upgrade-vinosuse-upgrade-vino-lang | Apr 9, 2020 | Oct 29, 2019 |
| Ubuntu | ubuntu-upgrade-italc-clientubuntu-upgrade-italc-masterubuntu-upgrade-libitalccoreubuntu-upgrade-libvncclient1ubuntu-upgrade-libvncserver1ubuntu-upgrade-vino | Aug 5, 2020 | Oct 29, 2019 |
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