Updated: 2025-08-20 02:29:45.198275
Description:
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
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | HIGH | 7.5 |
| CVSS Version 3.x | CRITICAL | 9.8 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| CentOS 7 ELS | httpd | 2.4.6 | 9.8 | CRITICAL | Already Fixed | 2023-09-19 09:30:23 | ||
| CentOS 8.4 ELS | httpd | 2.4.37 | 9.8 | CRITICAL | Already Fixed | 2023-10-26 17:22:13 | ||
| CentOS 8.5 ELS | httpd | 2.4.37 | 9.8 | CRITICAL | Already Fixed | 2023-10-26 17:21:47 | ||
| Oracle Linux 7 ELS | httpd | 2.4.6 | 9.8 | CRITICAL | In Testing | 2026-01-13 20:38:34 | ||
| Ubuntu 16.04 ELS | apache2 | 2.4.18 | 9.8 | CRITICAL | Released | CLSA-2021:1635459129 | 2022-03-25 15:44:41 | |
| Ubuntu 18.04 ELS | apache2 | 2.4.29 | 9.8 | CRITICAL | Already Fixed | 2023-04-28 08:48:57 |