FFmpeg 7.0+ Type Confusion in FFmpeg Function Pointer Calls (libavformat/utils.c)  – Full Disclosure

Posted by Ron E on Sep 08

FFmpeg invokes function pointers through incorrect type casting, leading to
type confusion. UndefinedBehaviorSanitizer logs mismatched signatures in
utils.c:528. Crafted inputs can cause UB, misaligned function dispatch, and
possible arbitrary code execution depending on platform ABI. (FFmpeg 7.0 –
8.0)

*Impact:*

–

DoS in normal builds.
–

Potential information disclosure or RCE under certain
compilers/architectures.

*Proof…
 – Read More  – Full Disclosure