The vulnerability of the HandleZlibBPP function in the VNC implementation, with extensions for optimizing performance in slow data transmission channels like Tightvnc, is related to the assignment of a null pointer. This allows attackers to cause service interruptions.

The vulnerability of the HandleZlibBPP function in VNC implementations for optimizing performance on slow data transmission channels, such as Tightvnc, is related to the assignment of a null pointer. Exploiting this vulnerability can allow an attacker to cause service interruptions remotely...

DEBIAN-CVE-2019-15680

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...

Null pointer dereference

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...

CVE-2019-15680

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...

CVE-2019-15680

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...

CVE-2019-15680

CVE-2019-15680 affects TightVNC 1.3.10 and is described in connected advisories as a NULL pointer dereference in HandleZlibBPP, leading to Denial of System (DoS) with network-access exploitability. The EU/CISA/Nessus/Ubuntu/SUSE/Debian entries confirm the issue across multiple Linux distributions...