Is CVE-2017-5885 in the CISA KEV catalog?

No. CVE-2017-5885 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-5885?

CVE-2017-5885 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-5885?

CVE-2017-5885 has an EPSS score of 4.98% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-5885?

Upgrade gtk-vnc on debian 11 to 0.6.0-3 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2017-5885

CRITICALEPSS 91th pctl

9.8

CVSS v3

NVD

Description

Multiple integer overflows in the (1) vnc_connection_server_message and (2) vnc_color_map_set functions in gtk-vnc before 0.7.0 allow remote servers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving SetColorMapEntries, which triggers a buffer overflow.

CWE-190Integer Overflow

How to fix

Remediation Available

gtk-vncDebian

Fixed in:0.6.0-3CVE-2017-5885

gtk-vncUbuntu

Fixed in:0.5.3-0ubuntu2.1USN-3203-1

libgtk-vnc-1.0-0Ubuntu

Fixed in:0.5.3-0ubuntu2.1USN-3203-1

libgtk-vnc-2.0-0Ubuntu

Fixed in:0.5.3-0ubuntu2.1USN-3203-1

libgvnc-1.0-0Ubuntu

Fixed in:0.5.3-0ubuntu2.1USN-3203-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.98%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

git.gnome.org

Exploit1

bugzilla.gnome.org

Third-Party Advisory3

Other references2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.