Is CVE-2014-1531 in the CISA KEV catalog?

No. CVE-2014-1531 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-1531?

CVE-2014-1531 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2014-1531?

CVE-2014-1531 has an EPSS score of 5.59% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-1531?

Upgrade firefox on ubuntu 14.04 to 29.0+build1-0ubuntu0.14.04.2 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2014-1531

HIGHEPSS 92th pctl

8.8

CVSS v3

NVD

Description

Use-after-free vulnerability in the nsGenericHTMLElement::GetWidthHeightForImage function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving an imgLoader object that is not properly handled during an image-resize operation.

CWE-416Use After Free

How to fix

Remediation Available

firefoxUbuntu

Fixed in:29.0+build1-0ubuntu0.14.04.2USN-2185-1

thunderbirdUbuntu

Fixed in:1:24.5.0+build1-0ubuntu0.14.04.1USN-2189-1

DeveloperEditionWindows application

Affected:24.0 24.5Fixed in:24.5Mozilla

Affected:29.0Fixed in:29.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:24.0 24.5Fixed in:24.5Mozilla

Affected:29.0Fixed in:29.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:24.5Fixed in:24.5Mozilla

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.59%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	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 2026-05-06.