Fluid Attacks Database

Description

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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
debian 13	libvncserver	=0.9.15+dfsg-1 \|\| =0.9.15+dfsg-1+deb13u1 \|\| =0.9.15+dfsg-2 \|\| =0.9.15+dfsg-3 \|\| =0.9.15+dfsg-4	-
debian 12	libvncserver	=0.9.14+dfsg-1 \|\| =0.9.15+dfsg-1 \|\| =0.9.15+dfsg-2 \|\| =0.9.15+dfsg-3 \|\| =0.9.15+dfsg-4	-
debian 14	tightvnc	>=0 <1:1.3.9-9.1	1:1.3.9-9.1
debian 14	libvncserver	=0.9.15+dfsg-1 \|\| =0.9.15+dfsg-2 \|\| =0.9.15+dfsg-3 \|\| =0.9.15+dfsg-4	-
debian 11	libvncserver	=0.9.13+dfsg-2 \|\| =0.9.13+dfsg-2+deb11u1 \|\| =0.9.13+dfsg-3 \|\| =0.9.13+dfsg-4 \|\| =0.9.13+dfsg-5 \|\| =0.9.14+dfsg-1 \|\| =0.9.15+dfsg-1 \|\| =0.9.15+dfsg-2 \|\| =0.9.15+dfsg-3 \|\| =0.9.15+dfsg-4	-
debian 13	tightvnc	>=0 <1:1.3.9-9.1	1:1.3.9-9.1
debian 11	tightvnc	>=0 <1:1.3.9-9.1	1:1.3.9-9.1
debian 12	tightvnc	>=0 <1:1.3.9-9.1	1:1.3.9-9.1

Aliases

1. CVE-2019-156802. NVD-2019-156803. OSV-DEBIAN-2019-156804. OSV-2019-156805. SECURITY-TRACKER-CVE-2019-15680

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