How severe is CVE-2008-4068?

CVE-2008-4068 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-4068 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4068?

CVE-2008-4068 primarily affects Mozilla Firefox. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4068?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-4068 published?

CVE-2008-4068 was published on 2008-09-24 and last updated on 2026-06-16.

CVE-2008-4068

CVE-2008-4068 is a high-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 7.8. 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-22.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Mozilla Firefox
Published: 2008-09-24
Last modified: 2026-06-16

Description

Directory traversal vulnerability in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allows remote attackers to bypass "restrictions imposed on local HTML files," and obtain sensitive information and prompt users to write this information into a file, via directory traversal sequences in a resource: URI.

Frequently asked questions

What is CVE-2008-4068?: Directory traversal vulnerability in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allows remote attackers to bypass "restrictions imposed on local HTML files," and obtain sensitive information and prompt users to write this information into a file, via directory traversal sequences in a resource: URI.
How severe is CVE-2008-4068?: CVE-2008-4068 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-4068 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4068?: CVE-2008-4068 primarily affects Mozilla Firefox. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4068?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-4068 published?: CVE-2008-4068 was published on 2008-09-24 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*

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