Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2014-1555

Use-after-free vulnerability in the nsDocLoader::OnProgress function in Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 allows remote attackers to execute arbitrary code via vectors that trigger a FireOnStateChange event.

Security Impact Summary

CVE-2014-1555 is a security vulnerability that . Impacting 3 products from mozilla, from mozilla, from mozilla organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-07-23T11:12:43.137

Last Modified

2025-11-25T17:50:16.803

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	≤ 30.0	Yes
Application	mozilla	firefox	24.0	Yes
Application	mozilla	firefox	24.0.1	Yes
Application	mozilla	firefox	24.0.2	Yes
Application	mozilla	firefox	24.1.0	Yes
Application	mozilla	firefox	24.1.1	Yes
Application	mozilla	firefox_esr	24.2	Yes
Application	mozilla	firefox_esr	24.3	Yes
Application	mozilla	firefox_esr	24.4	Yes
Application	mozilla	firefox_esr	24.5	Yes
Application	mozilla	firefox_esr	24.6	Yes
Application	mozilla	thunderbird	≤ 24.6	Yes
Application	mozilla	thunderbird	24.0	Yes
Application	mozilla	thunderbird	24.0.1	Yes
Application	mozilla	thunderbird	24.1	Yes
Application	mozilla	thunderbird	24.1.1	Yes
Application	mozilla	thunderbird	24.2	Yes
Application	mozilla	thunderbird	24.3	Yes
Application	mozilla	thunderbird	24.4	Yes
Application	mozilla	thunderbird	24.5	Yes

References

http://linux.oracle.com/errata/ELSA-2014-0918.html ([email protected])
http://secunia.com/advisories/59591 ([email protected])
http://secunia.com/advisories/59719 ([email protected])
http://secunia.com/advisories/59760 ([email protected])
http://secunia.com/advisories/60083 ([email protected])
http://secunia.com/advisories/60306 ([email protected])
http://secunia.com/advisories/60486 ([email protected])
http://secunia.com/advisories/60621 ([email protected])
http://secunia.com/advisories/60628 ([email protected])
http://www.debian.org/security/2014/dsa-2986 ([email protected])
http://www.debian.org/security/2014/dsa-2996 ([email protected])
http://www.mozilla.org/security/announce/2014/mfsa2014-61.html Vendor Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html ([email protected])
http://www.securityfocus.com/bid/68814 ([email protected])
http://www.securitytracker.com/id/1030619 ([email protected])
http://www.securitytracker.com/id/1030620 ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1023121 ([email protected])
https://security.gentoo.org/glsa/201504-01 ([email protected])
http://linux.oracle.com/errata/ELSA-2014-0918.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/59591 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/59719 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/59760 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60083 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60306 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60486 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60621 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60628 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2014/dsa-2986 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2014/dsa-2996 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mozilla.org/security/announce/2014/mfsa2014-61.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/68814 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1030619 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1030620 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1023121 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201504-01 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mozilla's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.