CVE-2019-20840 PUBLISHED

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

EPSS 2.03% · 83.7th percentile

Risk Scores

EPSS Score
2.03%
83.7th percentile

Affected Products

VendorProductVersions
Ubuntu:24.04:LTSveyon0, 4.7.5+repack1-1ubuntu5, 4.7.5+repack1-1ubuntu4
Ubuntu:25.10veyon4.7.5+repack1-1ubuntu6, 4.9.7+repack1-1, 4.7.5+repack1-1ubuntu7
Ubuntu:16.04:LTSlibvncserver0, 0.9.10+dfsg-3, 0.9.10+dfsg-3build1
Ubuntu:20.04:LTSveyon4.3.1+repack1-1, 4.3.1+repack1-2, 4.3.1+repack1-2build1
Ubuntu:18.04:LTSlibvncserver0.9.11+dfsg-1ubuntu1, 0.9.11+dfsg-1, 0
Ubuntu:14.04:LTSx11vnc0.9.13-1.1, 0
Ubuntu:22.04:LTSveyon4.5.3+repack1-1build1, 4.5.3+repack1-1build2, 0

Timeline

References

Open in Interactive Console →