Is CVE-2015-4475 in the CISA KEV catalog?

No. CVE-2015-4475 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-4475?

CVE-2015-4475 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2015-4475?

CVE-2015-4475 has an EPSS score of 4.77% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-4475?

Upgrade firefox on ubuntu 14.04 to 40.0+build4-0ubuntu0.14.04.1 or later.

CVE & CISA-KEV Catalog

CVE-2015-4475

HIGHEPSS 91th pctl

7.5

CVSS v2

NVD

Description

The mozilla::AudioSink function in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 mishandles inconsistent sample formats within MP3 audio data, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via a malformed file.

CWE-119Buffer Overflow

How to fix

Remediation Available

firefoxUbuntu

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

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

4.77%probability of exploitation in 30 days

91stpercentile

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

References

Vendor Advisory1

mozilla.org

Other references16

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.