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CVE-2017-5884

20
FAUCET Score

CVE-2017-5884 describes a boundary error vulnerability in gtk-vnc versions prior to 0.7.0, affecting products like Fedora and GNOME gtk-vnc. This flaw allows remote servers to execute arbitrary code by sending crafted rre, hextile, or copyrect tiles with malicious source coordinates. With a CVSS score of 7.8 (High), it represents a significant risk, requiring user interaction but potentially leading to high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
25CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
<= 0.6.0CPE matchmatch criteria
cpe:2.3:a:gnome:gtk-vnc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.24%
Probability of exploitation in next 30 days
EPSS Percentile
81.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0224 is in the 81st percentile among its peer group of 11,617 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: gtk-vnc-0:0.7.0-2.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Virtualization 3Fixed in: mingw-virt-viewer
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: gtk-vnc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: gtk-vnc

Vendor Advisories (1)

redhatCVE-2017-5884Low

gtk-vnc: Improper check of framebuffer boundaries when processing a tile

Feb 1, 2017

References

access.redhat.com / errata/RHSA-2017:2258
bugzilla.gnome.org / show_bug.cgi
ExploitIssue Tracking
git.gnome.org / browse/gtk-vnc/commit
PatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK
openwall.com / lists/oss-security/2017/02/03/5
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2017/02/05/5
Mailing ListThird Party Advisory
securityfocus.com / bid/96016
Third Party AdvisoryVDB Entry