CVE-2007-4939

Exp

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.

Published: 2007-09-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-4939 is rated High Exploit Risk (80.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 11.91%, 96th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-4939

EDB-ID Source Kind Published Link
30579 exploit_db edb 2007-09-12 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-4939

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 23.88% 11.91% -11.96%
2 2026-05-07 23.20% 23.88% +0.68%
3 2025-07-07 — 23.20% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4939

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-4939

Affected software / configurations for CVE-2007-4939

Vendor Product Version Raw CPE
guliverkli media_player_classic <= 6.4.9.0 cpe:2.3:a:guliverkli:media_player_classic:*:*:*:*:*:*:*:*
mympc cd-storm 1.0.0.1 cpe:2.3:a:mympc:cd-storm:1.0.0.1:*:*:*:*:*:*:*
verycd stormplayer 1.0.4 cpe:2.3:a:verycd:stormplayer:1.0.4:*:*:*:*:*:*:*

References for CVE-2007-4939

cvelogic Threat Intelligence