CVE-2016-7943

The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
microfocusCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
x.orglibx11
𝑥
≤ 1.6.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libx11
bullseye (security)
2:1.7.2-1+deb11u2
fixed
bullseye
2:1.7.2-1+deb11u2
fixed
bookworm
2:1.8.4-2+deb12u2
fixed
bookworm (security)
2:1.8.4-2+deb12u2
fixed
trixie
2:1.8.7-1
fixed
sid
2:1.8.10-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libx11
bionic
Fixed 2:1.6.4-1
released
artful
ignored
zesty
ignored
yakkety
ignored
xenial
Fixed 2:1.6.3-1ubuntu2.1
released
trusty
Fixed 2:1.6.2-1ubuntu2.1
released
precise
ignored
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2016/10/04/2
http://www.openwall.com/lists/oss-security/2016/10/04/4
http://www.securityfocus.com/bid/93362
http://www.securitytracker.com/id/1036945
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8c29f1607a31dac0911e45a0dd3d74173822b3c9
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/
https://lists.x.org/archives/xorg-announce/2016-October/002720.html
https://security.gentoo.org/glsa/201704-03
https://usn.ubuntu.com/3758-1/
https://usn.ubuntu.com/3758-2/
http://www.openwall.com/lists/oss-security/2016/10/04/2
http://www.openwall.com/lists/oss-security/2016/10/04/4
http://www.securityfocus.com/bid/93362
http://www.securitytracker.com/id/1036945
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8c29f1607a31dac0911e45a0dd3d74173822b3c9
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/
https://lists.x.org/archives/xorg-announce/2016-October/002720.html
https://security.gentoo.org/glsa/201704-03
https://usn.ubuntu.com/3758-1/
https://usn.ubuntu.com/3758-2/