No exploitation reported

CVE-2014-1486

No exploitation reported by the sources we read.

Published2014-02-06
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Use-after-free vulnerability in the imgRequestProxy function in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving unspecified Content-Type values for image data.

Timeline

dates in UTC

2014-02-0605:44CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2014-1486?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2014-1486?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
12.4	= 12.04	no fix published	NVD
12.10	= 12.10	no fix published	NVD
13.10	= 13.10	no fix published	NVD

Opensuse

Branch	Affected	Fixed in	Source
11.4	= 11.4	no fix published	NVD
12.3	= 12.3	no fix published	NVD
13.1	= 13.1	no fix published	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
19.x	= 19	no fix published	NVD
20.x	= 20	no fix published	NVD

13 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

www.mozilla.orgVendor Advisory
bugzilla.mozilla.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score7.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2014-02-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2014-1486?

Is CVE-2014-1486 actively exploited?

Active exploitation of CVE-2014-1486 has not been confirmed. Its EPSS score was 7.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2014-1486?

CVE-2014-1486 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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