How severe is CVE-2008-2303?

CVE-2008-2303 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2008-2303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2303?

CVE-2008-2303 affects Apple Safari. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-2303?

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-2008-2303 published?

CVE-2008-2303 was published on 2008-07-14 and last updated on 2026-06-16.

CVE-2008-2303

CVE-2008-2303 is a critical-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Apple Safari
Published: 2008-07-14
Last modified: 2026-06-16

Description

Integer signedness error in Safari on Apple iPhone before 2.0 and iPod touch before 2.0 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving JavaScript array indices that trigger an out-of-bounds access, a different vulnerability than CVE-2008-2307.

Frequently asked questions

What is CVE-2008-2303?: Integer signedness error in Safari on Apple iPhone before 2.0 and iPod touch before 2.0 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving JavaScript array indices that trigger an out-of-bounds access, a different vulnerability than CVE-2008-2307.
How severe is CVE-2008-2303?: CVE-2008-2303 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-2303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2303?: CVE-2008-2303 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2303?: 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-2008-2303 published?: CVE-2008-2303 was published on 2008-07-14 and last updated on 2026-06-16.

References

Affected products (1)

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

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