CVE-2011-0557

CVE-2011-0557 is a critical-severity vulnerability in Adobe Shockwave Player with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Description

Integer overflow in Adobe Shockwave Player before 11.5.9.620 allows remote attackers to execute arbitrary code via a Director movie with a large count value in 3D assets type 0xFFFFFF45 record, which triggers a "faulty allocation" and memory corruption.

Frequently asked questions

What is CVE-2011-0557?
Integer overflow in Adobe Shockwave Player before 11.5.9.620 allows remote attackers to execute arbitrary code via a Director movie with a large count value in 3D assets type 0xFFFFFF45 record, which triggers a "faulty allocation" and memory corruption.
How severe is CVE-2011-0557?
CVE-2011-0557 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-0557 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0557?
CVE-2011-0557 primarily affects Adobe Shockwave Player. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0557?
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-2011-0557 published?
CVE-2011-0557 was published on 2011-02-10 and last updated on 2026-06-16.

References

Affected products (42)

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