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CVE-2014-1531

31
FAUCET Score

CVE-2014-1531 describes a use-after-free vulnerability in the nsGenericHTMLElement::GetWidthHeightForImage function affecting Mozilla Firefox, Firefox ESR, Thunderbird, and SeaMonkey. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through heap memory corruption during image-resize operations. Rated with a CVSS score of 8.8 (High), it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 29.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
>= 24.0, < 24.5CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.26CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
< 24.5CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.59%
Probability of exploitation in next 30 days
EPSS Percentile
92.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0559 is in the 92nd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:24.5.0-1.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:24.5.0-1.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:24.5.0-1.el6_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:24.5.0-1.el6_5
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-1531Critical

Mozilla: Use-after-free in imgLoader while resizing images (MFSA 2014-44)

Apr 29, 2014

References

lists.fedoraproject.org / pipermail/package-announce/2014-May/132332.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2014-May/132437.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2014-05/msg00006.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2014-05/msg00015.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2014-05/msg00010.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2014-05/msg00013.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2014-05/msg00033.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2014-05/msg00040.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2014-0448.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2014-0449.html
Third Party Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
secunia.com / advisories/59866
Broken Link
security.gentoo.org / glsa/201504-01
Third Party Advisory
debian.org / security/2014/dsa-2918
Third Party Advisory
debian.org / security/2014/dsa-2924
Third Party Advisory
mozilla.org / security/announce/2014/mfsa2014-44.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
Third Party Advisory
securityfocus.com / bid/67134
Third Party AdvisoryVDB Entry
securitytracker.com / id/1030163
Third Party AdvisoryVDB Entry
securitytracker.com / id/1030164
Third Party AdvisoryVDB Entry
securitytracker.com / id/1030165
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2185-1
Third Party Advisory
ubuntu.com / usn/USN-2189-1
Third Party Advisory