CVE Catalog

CVE-2015-6826

High
Published: Translated: NVD NIST

Summary

The ff_rv34_decode_init_thread_copy function in libavcodec/rv34.c in FFmpeg before version 2.7.2 does not initialize certain structure members, allowing remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted RealVideo data (RV30 or RV40).

Risk Assessment

Organizations may be exposed to attacks leading to denial of service, disrupting the operation of systems using FFmpeg. Additionally, unspecified impacts may lead to further security threats.

Recommendation

It is recommended to update FFmpeg to version 2.7.2 or later to mitigate this vulnerability. Systems should also be monitored for suspicious activity related to RealVideo data processing.

Related vulnerabilities

Original NVD description (English source)

The ff_rv34_decode_init_thread_copy function in libavcodec/rv34.c in FFmpeg before 2.7.2 does not initialize certain structure members, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted (1) RV30 or (2) RV40 RealVideo data.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS