avcodec/jpeg2000dec: Clear header derived variables
authorMichael Niedermayer <michael@niedermayer.cc>
Wed, 6 May 2026 00:33:01 +0000 (02:33 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 18 Jun 2026 18:30:55 +0000 (20:30 +0200)
commite40b02c68778fa149a5b6c7a47442b7e5c9e55fd
treefaedf056a3545880c911a3aae1f0fd602a71e4f6
parent710ccf77db6fe8b74e0cb99b6d0463d632a74ef6
avcodec/jpeg2000dec: Clear header derived variables

Fixes: NULL pointer dereference

Found-by: Oguzhan Akkaya with AFL++ fuzzing (May 2026)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6631bbc5d47082a6212e3c82fce0215fce2dbac6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/jpeg2000dec.c