libvncclient1: TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of Sys...
CVE-2019-15680 is fixed in 3 products on 1 platform, first by libvncclient1 0.9.11+dfsg-1ubuntu1.2, released June 30, 2020. It is not reported as exploited. Patch Radar priority: Routine.
TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libvncclient1 · Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | libvncclient1 0.9.11+dfsg-1ubuntu1.2 | Jun 30, 2020 |
| libvncclient1 · Ubuntu 20.04 LTS (focal) | 0.9.12+dfsg-9ubuntu0.1 | libvncclient1 0.9.12+dfsg-9ubuntu0.1 | Jun 30, 2020 |
| libvncserver-config · Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | libvncserver-config 0.9.11+dfsg-1ubuntu1.2 | Jun 30, 2020 |
| libvncserver1 · Ubuntu 18.04.6 LTS (bionic) | 0.9.11+dfsg-1ubuntu1.2 | libvncserver1 0.9.11+dfsg-1ubuntu1.2 | Jun 30, 2020 |
| libvncserver1 · Ubuntu 20.04 LTS (focal) | 0.9.12+dfsg-9ubuntu0.1 | libvncserver1 0.9.12+dfsg-9ubuntu0.1 | Jun 30, 2020 |
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