CVE-2020-14396

NameCVE-2020-14396
DescriptionAn issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libvncserver (PTS)stretch0.9.11+dfsg-1.3~deb9u4fixed
stretch (security)0.9.11+dfsg-1.3~deb9u6fixed
buster0.9.11+dfsg-1.3+deb10u4fixed
bullseye0.9.13+dfsg-2fixed
bookworm, sid0.9.13+dfsg-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libvncserversourcejessie(not affected)
libvncserversourcestretch(not affected)
libvncserversourcebuster(not affected)
libvncserversource(unstable)0.9.13+dfsg-1

Notes

[buster] - libvncserver <not-affected> (Vulnerable code not present)
[stretch] - libvncserver <not-affected> (Vulnerable code not present)
[jessie] - libvncserver <not-affected> (Vulnerable code not present)
https://github.com/LibVNC/libvncserver/commit/33441d90a506d5f3ae9388f2752901227e430553

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