IBM HTTP Server 8.5/9.0 DoS via mod_fastcgi module
CVE-2026-8852 Published on May 26, 2026
IBM HTTP Server is affected by multiple vulnerabilities
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_fastcgi module.
Vulnerability Analysis
CVE-2026-8852 is exploitable with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is an assertion failure Vulnerability?
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
CVE-2026-8852 has been classified to as an assertion failure vulnerability or weakness.
Products Associated with CVE-2026-8852
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Affected Versions
IBM HTTP Server:- Version 8.5.0, <= Interim Fix 002 is affected.
- Version 9.0 is affected.