VDB
DEBIAN-CVE-2021-26691
DEBIAN-CVE-2021-26691
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | apache2 | 0, 0, 0 |
| Debian:14 | apache2 | 0, 0, 0 |
| Debian:12 | apache2 | 0, 0, 0 |
| Debian:13 | apache2 | 0, 0, 0 |
Exploit Intelligence
- dja2TaqkGEEfA45/CVE-2021-26691 (github-poc)
- cve_db.json (github-poc)
Timeline
- Jun 10, 2021 CVE Published
- Apr 28, 2026 CVE Updated