How severe is CVE-2008-5715?

CVE-2008-5715 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-5715 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5715?

CVE-2008-5715 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-5715?

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

When was CVE-2008-5715 published?

CVE-2008-5715 was published on 2008-12-24 and last updated on 2026-06-16.

CVE-2008-5715

CVE-2008-5715 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mozilla Firefox
Published: 2008-12-24
Last modified: 2026-06-16

Description

Mozilla Firefox 3.0.5 on Windows Vista allows remote attackers to cause a denial of service (application crash) via JavaScript code with a long string value for the hash property (aka location.hash). NOTE: it was later reported that earlier versions are also affected, and that the impact is CPU consumption and application hang in unspecified circumstances perhaps involving other platforms.

Frequently asked questions

What is CVE-2008-5715?: Mozilla Firefox 3.0.5 on Windows Vista allows remote attackers to cause a denial of service (application crash) via JavaScript code with a long string value for the hash property (aka location.hash). NOTE: it was later reported that earlier versions are also affected, and that the impact is CPU consumption and application hang in unspecified circumstances perhaps involving other platforms.
How severe is CVE-2008-5715?: CVE-2008-5715 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-5715 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5715?: CVE-2008-5715 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-5715?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-5715 published?: CVE-2008-5715 was published on 2008-12-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mozilla:firefox:3.0.5:*:*:*:*:*:*:*

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