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.
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html
https://security.netapp.com/advisory/ntap-20211008-0004/
https://www.debian.org/security/2021/dsa-4982
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf
Source: MITRE
Published: 2021-09-16
Updated: 2022-10-05
Type: CWE-787
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL