CVE-2014-1303

CVE-2014-1303 is a critical-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in Apple Safari 7.0.2 allows remote attackers to execute arbitrary code and bypass a sandbox protection mechanism via unspecified vectors, as demonstrated by Liang Chen during a Pwn2Own competition at CanSecWest 2014.

Frequently asked questions

What is CVE-2014-1303?
Heap-based buffer overflow in Apple Safari 7.0.2 allows remote attackers to execute arbitrary code and bypass a sandbox protection mechanism via unspecified vectors, as demonstrated by Liang Chen during a Pwn2Own competition at CanSecWest 2014.
How severe is CVE-2014-1303?
CVE-2014-1303 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2014-1303 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1303?
CVE-2014-1303 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-1303?
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-2014-1303 published?
CVE-2014-1303 was published on 2014-03-26 and last updated on 2026-06-17.

References

Affected products (1)

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