// For flags

CVE-2015-6821

 

Severity Score

8.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted MPEG data.

Vulnerabilidad en la función ff_mpv_common_init en libavcodec/mpegvideo.c en FFmpeg en versiones anteriores a 2.7.2, no mantiene correctamente el contexto de codificación, lo que permite a atacantes remotos causar una denegación de servicio (acceso a puntero no válido) o posiblemente tener otro impacto a través de datos MPEG manipulados.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-09-05 CVE Reserved
  • 2015-09-06 CVE Published
  • 2024-08-06 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ffmpeg
Search vendor "Ffmpeg"
Ffmpeg
Search vendor "Ffmpeg" for product "Ffmpeg"
<= 2.7.1
Search vendor "Ffmpeg" for product "Ffmpeg" and version " <= 2.7.1"
-
Affected