The vulnerability of the pcre_compile() function in the Perl PCRE library allows a attacker to cause a service failure.

The vulnerability of the pcrecompile function in the Perl regular expression library PCRE is related to the occurrence of an out-of-buffer operation when processing the :. parameter. Exploiting this vulnerability can allow a malicious actor to cause service failures...

CVE-2021-20276

A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to pcrecompile may lead to denial of service...