CVE-2021-39275: httpd: Out-of-bounds write in ap_escape_quotes() via malicious input

Severity: Critical

CVSS Score: 9.8

ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.