8.8high
CVE-2017-7393
In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of ser…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.8%
percentile 79%
Public exploits
0
none known
Summary
In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.
Exploit prediction (EPSS)
1.82% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
- CWE-415 Double Free
References
- access.redhat.com /errata/RHSA-2017:2000 · vendor-advisory, x_refsource_REDHAT, x_transferred
- securityfocus.com /bid/97305 · vdb-entry, x_refsource_BID, x_transferred
- github.com /TigerVNC/tigervnc/pull/438 · x_refsource_CONFIRM, x_transferred
- security.gentoo.org /glsa/201801-13 · vendor-advisory, x_refsource_GENTOO, x_transferred
Sources
- CVE List: CVE-2017-7393
- NVD: CVE-2017-7393
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.