CVE-2011-5003

CVE-2011-5003 is a critical-severity vulnerability in Avid Media Composer with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 63% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Stack-based buffer overflow in the Phonetic Indexer (AvidPhoneticIndexer.exe) in Avid Media Composer 5.5.3 and earlier allows remote attackers to execute arbitrary code via a long request to TCP port 4659.

Frequently asked questions

What is CVE-2011-5003?
Stack-based buffer overflow in the Phonetic Indexer (AvidPhoneticIndexer.exe) in Avid Media Composer 5.5.3 and earlier allows remote attackers to execute arbitrary code via a long request to TCP port 4659.
How severe is CVE-2011-5003?
CVE-2011-5003 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-5003 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 63% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-5003?
CVE-2011-5003 affects Avid Media Composer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-5003?
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-2011-5003 published?
CVE-2011-5003 was published on 2011-12-25 and last updated on 2026-06-16.

References

Affected products (1)

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