OSV-2018-457 Heap-buffer-overflow in xstrndup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8033 Crash type: Heap-buffer-overflow READ 11 Crash state: xstrndup geturlscss wgetcssfuzzer.c...

OSV-2018-369 Negative-size-param in get_urls_css

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8032 Crash type: Negative-size-param Crash state: geturlscss wgetcssfuzzer.c...