CVE-2017-7393
high
CVSS v3
8.8
CVSS v4 NEW
—
VIR risk
8.8
Description
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.
Predictions
Exploit likelihood
92%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.7.0+dfsg-7 |
| sid | Fixed | 1.7.0+dfsg-7 |
| forky | Fixed | 1.7.0+dfsg-7 |
| bullseye | Fixed | 1.7.0+dfsg-7 |
| bookworm | Fixed | 1.7.0+dfsg-7 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| tigervnc | tigervnc | 1.7.1 | |
References
CWEs
CWE-415
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.