A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().Referenceshttps://bugzilla.redhat.com/show_bug.cgi?id=1956926https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9417https://chromium.googlesource.com/webm/libwebp/+/907208f97ead639bd521cf355a2f203f462eade6