OSV-2021-1636 Stack-buffer-overflow in MatchRule

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41504 Crash type: Stack-buffer-overflow READ 1 Crash state: MatchRule TranslateRules TranslateWord3...

OSV-2021-782 Global-buffer-overflow in IsLetterGroup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34494 Crash type: Global-buffer-overflow READ 1 Crash state: IsLetterGroup MatchRule TranslateRules...