CVE-2014-1488

CVE-2014-1488 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The Web workers implementation in Mozilla Firefox before 27.0 and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving termination of a worker process that has performed a cross-thread object-passing operation in conjunction with use of asm.js.

Frequently asked questions

What is CVE-2014-1488?
The Web workers implementation in Mozilla Firefox before 27.0 and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving termination of a worker process that has performed a cross-thread object-passing operation in conjunction with use of asm.js.
How severe is CVE-2014-1488?
CVE-2014-1488 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2014-1488 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1488?
CVE-2014-1488 primarily affects Mozilla Firefox. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1488?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-1488 published?
CVE-2014-1488 was published on 2014-02-06 and last updated on 2026-06-17.

References

Affected products (12)

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