CVE-2014-1592

Use-after-free vulnerability in the nsHtml5TreeOperation function in xul.dll 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 by adding a second root element to an HTML5 document during parsing.

Published: 2014-12-11 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-1592 is rated Moderate Risk (52.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.77%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-1592

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 5.14% 1.77% -3.37%
2 2025-03-29 1.77% 5.14% +3.37%
3 2025-03-17 — 1.77% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1592

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2014-1592

OS Trackers for CVE-2014-1592

vendor priority summary link
gentoo normal CVE-2014-1592: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-1592
redhat critical — https://access.redhat.com/security/cve/CVE-2014-1592
suse medium CVE-2014-1592 severity moderate: SUSE including 131 source package names (MozillaFirefox, MozillaFirefox-102.11.0-150200.152.87.1, …), 269 product×package rows across 81 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (81 product lines)): Fixed 238, Known Not Affected 31. https://www.suse.com/security/cve/CVE-2014-1592/
ubuntu medium CVE-2014-1592 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 10 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 8, ignored 2. https://ubuntu.com/security/CVE-2014-1592

NVD evaluator notes for CVE-2014-1592

Comment: <a href="http://cwe.mitre.org/data/definitions/416.html">CWE-416: Use After Free</a>

Affected software / configurations for CVE-2014-1592

Vendor Product Version Raw CPE
mozilla firefox <= 31.2 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox <= 33.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla seamonkey <= 2.30 cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla thunderbird <= 31.2 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

References for CVE-2014-1592

cvelogic Threat Intelligence