How severe is CVE-2010-1131?

CVE-2010-1131 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-1131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1131?

CVE-2010-1131 affects Apple Safari. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-1131?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-1131 published?

CVE-2010-1131 was published on 2010-03-27 and last updated on 2026-06-16.

CVE-2010-1131

CVE-2010-1131 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Safari
Published: 2010-03-27
Last modified: 2026-06-16

Description

JavaScriptCore.dll, as used in Apple Safari 4.0.5 on Windows XP SP3, allows remote attackers to cause a denial of service (application crash) via an HTML document composed of many successive occurrences of the <object> substring.

Frequently asked questions

What is CVE-2010-1131?: JavaScriptCore.dll, as used in Apple Safari 4.0.5 on Windows XP SP3, allows remote attackers to cause a denial of service (application crash) via an HTML document composed of many successive occurrences of the <object> substring.
How severe is CVE-2010-1131?: CVE-2010-1131 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-1131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1131?: CVE-2010-1131 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-1131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-1131 published?: CVE-2010-1131 was published on 2010-03-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apple:safari:4.0.5:*:*:*:*:*:*:*

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