CVE-2017-7396
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.
Predictions
Exploit likelihood
83%
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.7.0+dfsg-7 |
| debian | bullseye | fixed | 1.7.0+dfsg-7 |
| debian | forky | fixed | 1.7.0+dfsg-7 |
| debian | sid | fixed | 1.7.0+dfsg-7 |
| debian | trixie | fixed | 1.7.0+dfsg-7 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| tigervnc | tigervnc | 1.7.1 | |
References
- http://www.securityfocus.com/bid/97305
- https://access.redhat.com/errata/RHSA-2017:2000
- https://github.com/TigerVNC/tigervnc/pull/436
- https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0
- https://security.gentoo.org/glsa/201801-13
- https://www.suse.com/security/cve/CVE-2017-7396.html
- https://security-tracker.debian.org/tracker/CVE-2017-7396
CWEs
CWE-772
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.