How severe is CVE-2010-1029?

CVE-2010-1029 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-1029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1029?

CVE-2010-1029 primarily affects Apple Safari. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1029?

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

When was CVE-2010-1029 published?

CVE-2010-1029 was published on 2010-03-19 and last updated on 2026-06-16.

CVE-2010-1029

CVE-2010-1029 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Apple Safari
Published: 2010-03-19
Last modified: 2026-06-16

Description

Stack consumption vulnerability in the WebCore::CSSSelector function in WebKit, as used in Apple Safari 4.0.4, Apple Safari on iPhone OS and iPhone OS for iPod touch, and Google Chrome 4.0.249, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a STYLE element composed of a large number of *> sequences.

Frequently asked questions

What is CVE-2010-1029?: Stack consumption vulnerability in the WebCore::CSSSelector function in WebKit, as used in Apple Safari 4.0.4, Apple Safari on iPhone OS and iPhone OS for iPod touch, and Google Chrome 4.0.249, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a STYLE element composed of a large number of *> sequences.
How severe is CVE-2010-1029?: CVE-2010-1029 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-1029 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1029?: CVE-2010-1029 primarily affects Apple Safari. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1029?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-1029 published?: CVE-2010-1029 was published on 2010-03-19 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:apple:safari:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:4.0.249.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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