OSV-2024-326 Heap-buffer-overflow in GfxFont::readFontDescriptor

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=68193 Crash type: Heap-buffer-overflow READ 1 Crash state: GfxFont::readFontDescriptor Gfx8BitFont::Gfx8BitFont GfxFont::makeFont...