CVE-2010-1986

Name: CVE-2010-1986
Creator: NVD / NIST
Published: 2010-05-20T17:30:01.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.56%

Last modified Jun 16, 2026

CVE-2010-1986 is a vulnerability of currently unknown severity. Mozilla Firefox 3.6.3 on Windows XP SP3 allows remote attackers to cause a denial of service (memory consumption and application crash) via JavaScript code that creates multiple arrays containing elements with long string values, and then appends long strings to the content of a P element, related to the gfxWindowsFontGroup::MakeTextRun function in xul.dll, a different vulnerability than CVE-2009-1571.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

Mozilla Firefox 3.6.3 on Windows XP SP3 allows remote attackers to cause a denial of service (memory consumption and application crash) via JavaScript code that creates multiple arrays containing elements with long string values, and then appends long strings to the content of a P element, related to the gfxWindowsFontGroup::MakeTextRun function in xul.dll, a different vulnerability than CVE-2009-1571.

Metrics

EPSS Probability

1.56%

72.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	3.6.3

References

Timeline

Published: May 20, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-1986?

How severe is CVE-2010-1986?

Severity scoring for CVE-2010-1986 is pending analysis. The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.

How do I fix CVE-2010-1986?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-1986?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST