CVE-2010-1988

CVE-2010-1988 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mozilla Firefox 3.6.3 on Windows XP SP3 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via JavaScript code that performs certain string concatenation and substring operations, a different vulnerability than CVE-2009-1571.

Frequently asked questions

What is CVE-2010-1988?
Mozilla Firefox 3.6.3 on Windows XP SP3 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via JavaScript code that performs certain string concatenation and substring operations, a different vulnerability than CVE-2009-1571.
How severe is CVE-2010-1988?
CVE-2010-1988 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2010-1988 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1988?
CVE-2010-1988 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-1988?
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-2010-1988 published?
CVE-2010-1988 was published on 2010-05-20 and last updated on 2026-06-16.

References

Affected products (1)

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