CVE-2007-4939

CVE-2007-4939 is a critical-severity vulnerability in Guliverkli Media Player Classic with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9.0 and earlier, as used standalone and in mympc (aka CD-Storm) 1.0.0.1, StormPlayer 1.0.4, and possibly other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with an "indx truck size" of 0xffffffff, and certain wLongsPerEntry and nEntriesInuse values.

Frequently asked questions

What is CVE-2007-4939?
Heap-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9.0 and earlier, as used standalone and in mympc (aka CD-Storm) 1.0.0.1, StormPlayer 1.0.4, and possibly other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with an "indx truck size" of 0xffffffff, and certain wLongsPerEntry and nEntriesInuse values.
How severe is CVE-2007-4939?
CVE-2007-4939 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-4939 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4939?
CVE-2007-4939 primarily affects Guliverkli Media Player Classic. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-4939?
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-2007-4939 published?
CVE-2007-4939 was published on 2007-09-18 and last updated on 2026-06-16.

References

Affected products (3)

More vulnerabilities in Guliverkli Media Player Classic

All CVEs affecting Guliverkli Media Player Classic →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →