Is CVE-2010-0159 in the CISA KEV catalog?

No. CVE-2010-0159 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-0159?

CVE-2010-0159 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2010-0159?

CVE-2010-0159 has an EPSS score of 4.79% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-0159?

Upgrade DeveloperEdition to 3.0.18 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2010-0159

HIGHEPSS 91th pctl

10.0

CVSS v2

NVD

Description

The browser engine in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the nsBlockFrame::StealFrame function in layout/generic/nsBlockFrame.cpp, and unspecified other vectors.

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:3.0 3.0.18Fixed in:3.0.18Mozilla

Affected:3.5 3.5.8Fixed in:3.5.8Mozilla

Mozilla Firefox (en-US)Windows application

Affected:3.0 3.0.18Fixed in:3.0.18Mozilla

Affected:3.5 3.5.8Fixed in:3.5.8Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:3.0.2Fixed in:3.0.2Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

4.79%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.