How severe is CVE-2008-2419?

CVE-2008-2419 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-2419 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-2008-2419?

CVE-2008-2419 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-2419?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-2419 published?

CVE-2008-2419 was published on 2008-05-23 and last updated on 2026-06-16.

CVE-2008-2419

CVE-2008-2419 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Mozilla Firefox
Published: 2008-05-23
Last modified: 2026-06-16

Description

Mozilla Firefox 2.0.0.14 allows remote attackers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code by triggering an error condition during certain Iframe operations between a JSframe write and a JSframe close, as demonstrated by an error in loading an empty Java applet defined by a 'src="javascript:"' sequence.

Frequently asked questions

What is CVE-2008-2419?: Mozilla Firefox 2.0.0.14 allows remote attackers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code by triggering an error condition during certain Iframe operations between a JSframe write and a JSframe close, as demonstrated by an error in loading an empty Java applet defined by a 'src="javascript:"' sequence.
How severe is CVE-2008-2419?: CVE-2008-2419 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-2419 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-2008-2419?: CVE-2008-2419 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2419?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-2419 published?: CVE-2008-2419 was published on 2008-05-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mozilla:firefox:2.0.0.14:*:*:*:*:*:*:*

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CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
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