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CVE-2016-7949
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X…
Critical9.8EPSS 3.7%
- Published
- Updated
- Reserved
- Assigned by
- microfocus
Description
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.
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)
- 3.7% · top 10% of all CVEs (3 Nov 2026)
Loading the EPSS history…
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
- GLSA-201704-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=9362c7ddd1af3b168953d0737877bc52d79c94f4 (opens in a new tab)x_refsource_CONFIRMx_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
- 93366 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2016-8877cf648b (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-ade20198ff (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
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)
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[](https://trackcve.app/cve/CVE-2016-7949)Record last updated .