CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

Litestar's CORS origin allowlist has a bypass due to unescaped regex metacharacters in allowed origins

Summary CORS origin validation can be bypassed because the allowed-origins allowlist is compiled into a regex without escaping metacharacters notably .. An allowed origin like https://good.example can match https://goodXexample, resulting in Access-Control-Allow-Origin being set for an untrusted...

Regular Expression Denial Of Service (ReDoS)

validator is vulnerable to regular expression denial of service ReDoS. An attacker is able to slow down the application or causes an application crash via a malicious string and regex /\s+$/g via the rtrim function due to lack of safer regular expression to escape the string input from attacker...

DEBIAN-CVE-2017-12883

Buffer overflow in the SgrokbslashN function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service application crash via a crafted regular expression with an invalid '\NU+...' escape...

mod_perl PerlRun denial of service

PerlRun.pm in Apache modperl before 1.30, and RegistryCooker.pm in modperl 2.x, does not properly escape PATHINFO before use in a regular expression, which allows remote attackers to cause a denial of service resource consumption via a crafted URI...