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CVE-2016-9941
Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service…
Critical9.8EPSS 3.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area.
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 (2 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 (7)
- 95170 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/LibVNC/libvncserver/pull/137 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3753 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201702-24 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4587-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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 .