OSV-2026-917 Heap-buffer-overflow in ixheaace_process

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=523531852 Crash type: Heap-buffer-overflow WRITE Crash state: ixheaaceprocess xaacencfuzzer.cpp...

PT-2026-56522

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=523531852 Crash type: Heap-buffer-overflow WRITE Crash state: ixheaace process xaac enc fuzzer.cpp...

PT-2026-48484

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=505674302 Crash type: Heap-buffer-overflow WRITE Crash state: ixheaace process xaac enc fuzzer.cpp...