Is CVE-2014-1593 in the CISA KEV catalog?

No. CVE-2014-1593 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-1593?

CVE-2014-1593 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2014-1593?

CVE-2014-1593 has an EPSS score of 4.05% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-1593?

Upgrade firefox on ubuntu 14.04 to 34.0+build2-0ubuntu0.14.04.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2014-1593

MEDIUMEPSS 89th pctl

6.8

CVSS v2

NVD

Description

Stack-based buffer overflow in the mozilla::FileBlockCache::Read function in Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 allows remote attackers to execute arbitrary code via crafted media content.

CWE-119Buffer Overflow

How to fix

Remediation Available

firefoxUbuntu

Fixed in:34.0+build2-0ubuntu0.14.04.1USN-2424-1

thunderbirdUbuntu

Fixed in:1:31.3.0+build1-0ubuntu0.14.04.1USN-2428-1

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

4.05%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Other references8

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.