Is CVE-2015-4491 in the CISA KEV catalog?

No. CVE-2015-4491 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-4491?

CVE-2015-4491 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2015-4491?

CVE-2015-4491 has an EPSS score of 8.40% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-4491?

Upgrade gdk-pixbuf on debian 11 to 2.31.7-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2015-4491

MEDIUMEPSS 94th pctl

6.8

CVSS v2

NVD

Description

Integer overflow in the make_filter_table function in pixops/pixops.c in gdk-pixbuf before 2.31.5, as used in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 on Linux, Google Chrome on Linux, and other products, allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow and application crash) via crafted bitmap dimensions that are mishandled during scaling.

CWE-189

How to fix

Remediation Available

gdk-pixbufDebian

Fixed in:2.31.7-1CVE-2015-4491

firefoxUbuntu

Fixed in:40.0+build4-0ubuntu0.14.04.1USN-2702-1

gdk-pixbufUbuntu

Fixed in:2.30.7-0ubuntu1.1USN-2722-1

libgdk-pixbuf2.0-0Ubuntu

Fixed in:2.30.7-0ubuntu1.1USN-2722-1

thunderbirdUbuntu

Fixed in:1:38.2.0+build1-0ubuntu0.14.04.1USN-2712-1

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

8.40%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Related Vulnerabilities

Other CWE-189 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-1538	High	10.0	99%	-	-
CVE-2006-3747	High	7.6	96%	-	Fix
CVE-2007-0071	High	9.3	93%	-	-
CVE-2015-3829	High	10.0	90%	-	-
CVE-2015-3864	High	10.0	87%	-	-
CVE-2015-1539	High	10.0	86%	-	-

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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 2026-05-06.