How severe is CVE-2010-1028?

CVE-2010-1028 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-1028 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1028?

CVE-2010-1028 primarily affects Mozilla Firefox. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1028?

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-2010-1028 published?

CVE-2010-1028 was published on 2010-03-19 and last updated on 2026-06-16.

CVE-2010-1028

CVE-2010-1028 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 9.3. 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-189.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Mozilla Firefox
Published: 2010-03-19
Last modified: 2026-06-16

Description

Integer overflow in the decompression functionality in the Web Open Fonts Format (WOFF) decoder in Mozilla Firefox 3.6 before 3.6.2 and 3.7 before 3.7 alpha 3 allows remote attackers to execute arbitrary code via a crafted WOFF file that triggers a buffer overflow, as demonstrated by the vd_ff module in VulnDisco 9.0.

Frequently asked questions

What is CVE-2010-1028?: Integer overflow in the decompression functionality in the Web Open Fonts Format (WOFF) decoder in Mozilla Firefox 3.6 before 3.6.2 and 3.7 before 3.7 alpha 3 allows remote attackers to execute arbitrary code via a crafted WOFF file that triggers a buffer overflow, as demonstrated by the vd_ff module in VulnDisco 9.0.
How severe is CVE-2010-1028?: CVE-2010-1028 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-1028 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1028?: CVE-2010-1028 primarily affects Mozilla Firefox. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1028?: 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-2010-1028 published?: CVE-2010-1028 was published on 2010-03-19 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.6:a1_pre:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.7:a1_pre:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.7:alpha1:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.7:alpha2:*:*:*:*:*:*

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