In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow
http://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/[email protected]%3Cdev.httpd.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cannounce.httpd.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/06/10/7
https://security.netapp.com/advisory/ntap-20210702-0001/
https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html
https://www.debian.org/security/2021/dsa-4937
https://security.gentoo.org/glsa/202107-38
Source: MITRE
Published: 2021-06-10
Updated: 2022-03-25
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