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.
CriticalCVSS 9.8
EPSS 4.5%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libx11(Debian:12) | < 2:1.6.4-1 | 2:1.6.4-1 |
| debian/libx11(Debian:13) | < 2:1.6.4-1 | 2:1.6.4-1 |
| debian/libx11(Debian:14) | < 2:1.6.4-1 | 2:1.6.4-1 |
| fedoraproject fedora | = 25 | No fix listed |
| x.org libX11 | <= 1.6.3 | No fix listed |
| alpine/libx11(Alpine:v3.2) | < 1.6.3-r1 | 1.6.3-r1 |
| alpine/libx11(Alpine:v3.3) | < 1.6.3-r3 | 1.6.3-r3 |
References
- Debian Security Tracker CVE-2016-7943 vendor-advisory
- [oss-security] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries mailing-list
- [oss-security] 20161004 Re: X.Org security advisory: Protocol handling issues in X Window System client libraries mailing-list
- 93362 vdb-entry
- 1036945 vdb-entry
- cgit.freedesktop.org
- FEDORA-2016-0df69ab477 vendor-advisory
- [xorg-announce] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries mailing-list
- GLSA-201704-03 vendor-advisory
- USN-3758-1 vendor-advisory
- USN-3758-2 vendor-advisory
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking