CVE-2014-8632

The structured-clone implementation in Mozilla Firefox before 34.0 and SeaMonkey before 2.31 does not properly interact with XrayWrapper property filtering, which allows remote attackers to bypass intended DOM object restrictions by leveraging property availability after XrayWrapper removal.

Published: 2014-12-11 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-8632 is rated Low Risk (38.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.02%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2014-8632

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 2026-06-15 0.21% 1.02% +0.81%
2 2025-03-30 0.71% 0.21% -0.51%
3 2025-03-29 0.71%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8632

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N 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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2014-8632

OS Trackers for CVE-2014-8632

vendor priority summary link
gentoo normal CVE-2014-8632: 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-2014-8632
redhat medium https://access.redhat.com/security/cve/CVE-2014-8632
ubuntu medium CVE-2014-8632 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 10 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 3, ignored 2, needs-triage 2, not-affected 2, DNE 1. https://ubuntu.com/security/CVE-2014-8632

Affected software / configurations for CVE-2014-8632

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

References for CVE-2014-8632

cvelogic Threat Intelligence