PT-2020-21991

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description The issue is related to a stack-buffer-overflow crash. Technical details about the crash include the functions onigenc unicode get case fold codes by str,...

The vulnerability of the Oniguruma library, related to writing beyond the buffer boundaries on the stack, allows a hacker to cause a service failure.

The vulnerability of the Oniguruma library exists due to the improper handling of the code position 0xFFFFFFFF in the unicodeunfoldkey function during the compilation of regular expressions. As a result, when the nigencunicodegetcasefoldcodesbystr function is called, 4 bytes will be written at th...

Oniguruma 'onigenc_unicode_get_case_fold_codes_by_str()' function stack buffer overflow vulnerability

mbstring Multi-Byte String is a language encoding extension library in PHP PHP: Hypertext Preprocessor; Oniguruma-mod is a regular expression library in Ruby programming language.Oniguruma is one of the a regular expression engine. A stack buffer overflow vulnerability exists in the...