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CVE-2020-25708 PUBLISHED

A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.

EPSS 0.78% · 73.6th percentile

Risk Scores

EPSS Score
0.78%
73.6th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSvino0, 3.22.0-5ubuntu2.1, 3.22.0-5ubuntu2
Ubuntu:Pro:14.04:LTStightvnc0, 1.3.9-6.4, 1.3.9-6.5+deb8u1build0.14.04.1~esm1
Ubuntu:24.04:LTStightvnc0, 1:1.3.10-7, 1:1.3.10-7build1
Ubuntu:18.04:LTSitalc1:3.0.3+dfsg1-2build1, 1:3.0.3+dfsg1-2ubuntu1, 1:3.0.3+dfsg1-3
Ubuntu:22.04:LTSvino0
Ubuntu:16.04:LTSlibvncserver0.9.10+dfsg-3ubuntu0.16.04.4, 0.9.10+dfsg-3ubuntu0.16.04.1, 0.9.10+dfsg-3build1
Ubuntu:25.10tightvnc1:1.3.10-10, 0, 1:1.3.10-9
Ubuntu:18.04:LTSvino0, 3.22.0-3ubuntu1.1, 3.22.0-3ubuntu1
Ubuntu:22.04:LTStightvnc0, 1:1.3.10-3, 1:1.3.10-5
Ubuntu:14.04:LTSx11vnc0.9.13-1.1, 0
Ubuntu:24.04:LTSveyon4.7.5+repack1-1build2, 0, 4.7.5+repack1-1ubuntu5
Ubuntu:20.04:LTStightvnc1.3.10-0ubuntu5, 0
Ubuntu:25.10veyon4.7.5+repack1-1ubuntu7, 4.9.7+repack1-1, 0
Ubuntu:16.04:LTSvino3.8.1-0ubuntu9, 0, 3.8.1-0ubuntu6
Ubuntu:16.04:LTStightvnc1.3.10-0ubuntu3, 0, 1.3.10-0ubuntu2
Ubuntu:18.04:LTStightvnc1.3.10-0ubuntu3, 1.3.10-0ubuntu4, 0
Ubuntu:24.04:LTSvino0
Ubuntu:20.04:LTSveyon4.3.1+repack1-2build2, 4.3.1+repack1-2build1, 4.3.1+repack1-2
Ubuntu:22.04:LTSveyon4.5.3+repack1-1build1, 0, 4.5.3+repack1-1build2
Ubuntu:18.04:LTSlibvncserver0.9.11+dfsg-1ubuntu1.3, 0.9.11+dfsg-1ubuntu1.2, 0.9.11+dfsg-1ubuntu1.1

…and 2 more

Timeline

References

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