[GIT-PULLS] [php-src] PR #23350: Bound getSingletonPos before reading the next separator

[email protected] (iliaal)
Newsgroups php.git-pulls
Message-ID <[email protected]> 
Pull Request: https://github.com/php/php-src/pull/23350
Author: iliaal

getSingletonPos() read str[i+2] after the last '-' or '_' in a locale, one byte past the NUL for strings such as en-. Require i+2 to be inside the string. Output matches the unfixed parser unless that heap byte happens to be another separator; php/php-src#22498 closed for that reason.
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