Is CVE-2017-6960 in the CISA KEV catalog?

No. CVE-2017-6960 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-6960?

CVE-2017-6960 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-6960?

CVE-2017-6960 has an EPSS score of 1.80% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-6960?

Upgrade apng2gif on debian 11 to 1.8-0.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-6960

HIGHEPSS 76th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.

CWE-190Integer Overflow

How to fix

Remediation Available

apng2gifDebian

Fixed in:1.8-0.1CVE-2017-6960

apng2gifUbuntu

Fixed in:1.5-3+deb8u1build0.16.04.1USN-4513-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.80%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Third-Party Advisory3

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.