CVE-2017-7393

In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
VendorProductVersion
tigervnctigervnc
1.7.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tigervnc
bullseye
1.11.0+dfsg-2+deb11u1
fixed
bookworm
1.12.0+dfsg-8
fixed
sid
1.13.1+dfsg-3
fixed
trixie
1.13.1+dfsg-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tigervnc
cosmic
not-affected
bionic
not-affected
artful
ignored
zesty
ignored
yakkety
dne
xenial
dne
trusty
dne
precise
dne
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/97305
https://access.redhat.com/errata/RHSA-2017:2000
https://github.com/TigerVNC/tigervnc/pull/438
https://security.gentoo.org/glsa/201801-13
http://www.securityfocus.com/bid/97305
https://access.redhat.com/errata/RHSA-2017:2000
https://github.com/TigerVNC/tigervnc/pull/438
https://security.gentoo.org/glsa/201801-13