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CVE-2017-2633
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur…
Medium5.4EPSS 3.1%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.
Timeline
ID reserved
By redhat
- 20 months later
· 20 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium5.4 | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L |
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.1% · top 12% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
Affected products
References (9)
- [oss-security] 20170223 CVE-2017-2633 Qemu: VNC: memory corruption due to unchecked resolution limit (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894ef (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:1206 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:1441 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 96417 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2017:1856 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1205 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-2633)Record last updated .