CVE-2016-7944
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
Description
Integer overflow in X.org libXfixes before 5.0.3 on 32-bit platforms might allow remote X servers to gain privileges via a length value of INT_MAX, which triggers the client to stop reading data and get out of sync.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-7944
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-7944.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1:5.0.3-1 |
| debian | bullseye | fixed | 1:5.0.3-1 |
| debian | forky | fixed | 1:5.0.3-1 |
| debian | sid | fixed | 1:5.0.3-1 |
| debian | trixie | fixed | 1:5.0.3-1 |
| fedora | 24 | affected | |
| fedora | 25 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| x.org | libxfixes | {"endIncluding":"5.0.2"} | |
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/93361
- http://www.securitytracker.com/id/1036945
- https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4CE6VJWBMOWLSCH4OP4TAEPIA7NP53ON/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GE43MDCRGS4R7MRRZNVSLREHRLU5OHCV/
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html
- https://security.gentoo.org/glsa/201704-03
- https://www.suse.com/security/cve/CVE-2016-7944.html
- https://security-tracker.debian.org/tracker/CVE-2016-7944
CWEs
CWE-190 CWE-264
Verify integrity in audit chain (admin only). AS-IS.