How severe is CVE-2007-4940?

CVE-2007-4940 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-4940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4940?

CVE-2007-4940 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-2007-4940?

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-2007-4940 published?

CVE-2007-4940 was published on 2007-09-18 and last updated on 2026-06-16.

CVE-2007-4940

CVE-2007-4940 is a critical-severity vulnerability in Guliverkli Media Player Classic 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

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Guliverkli Media Player Classic
Published: 2007-09-18
Last modified: 2026-06-16

Description

Multiple integer overflows 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, allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with certain large "indx truck size" and nEntriesInuse values.

Frequently asked questions

What is CVE-2007-4940?: Multiple integer overflows 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, allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with certain large "indx truck size" and nEntriesInuse values.
How severe is CVE-2007-4940?: CVE-2007-4940 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-4940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4940?: CVE-2007-4940 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-2007-4940?: 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-2007-4940 published?: CVE-2007-4940 was published on 2007-09-18 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:guliverkli:media_player_classic:*:*:*:*:*:*:*:*
cpe:2.3:a:mympc:cd-storm:1.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:verycd:stormplayer:1.0.4:*:*:*:*:*:*:*

More vulnerabilities in Guliverkli Media Player Classic

CVE-2007-6402 — Critical (CVSS 9.3): Stack-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9, when used with the 3ivx 4.5.1 or 5.0.1…
CVE-2007-4939 — Critical (CVSS 9.3): Heap-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9.0 and earlier, as used standalone and in…
CVE-2006-7222 — Medium (CVSS 6.8): Buffer overflow in the CFLICStream::_deltachunk function in FLICSource.cpp in Media Player Classic (MPC) 6.4.9.0 allows…

All CVEs affecting Guliverkli Media Player Classic →

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CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

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