CVE-2011-2123

CVE-2011-2123 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 the Shockwave 3D Asset x32 component in Adobe Shockwave Player before 11.6.0.626 allows remote attackers to execute arbitrary code via a crafted subrecord in a DEMX chunk, which triggers a heap-based buffer overflow.

Frequently asked questions

What is CVE-2011-2123?
Integer overflow in the Shockwave 3D Asset x32 component in Adobe Shockwave Player before 11.6.0.626 allows remote attackers to execute arbitrary code via a crafted subrecord in a DEMX chunk, which triggers a heap-based buffer overflow.
How severe is CVE-2011-2123?
CVE-2011-2123 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-2123 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2123?
CVE-2011-2123 primarily affects Adobe Shockwave Player. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2123?
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-2011-2123 published?
CVE-2011-2123 was published on 2011-06-16 and last updated on 2026-06-16.

References

Affected products (43)

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