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CVE-2016-7944
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…
Critical9.8EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- microfocus
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (9)
- 1036945 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 93361 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201704-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [xorg-announce] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2016-72d7f05b90 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [oss-security] 20161004 Re: X.Org security advisory: Protocol handling issues in X Window System client libraries (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2016-ff5a2f4839 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [oss-security] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .