CVE-2026-49975 PUBLISHED

Apache HTTP Server: mod_http2 denial of service

Assigner: apache
Reserved: 02.06.2026 Published: 08.06.2026 Updated: 08.06.2026

Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.

This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.

Product Status

Vendor Apache Software Foundation
Product Apache HTTP Server
Versions Default: unaffected
  • affected from 2.4.17 to 2.4.67 (incl.)

Credits

  • Quang Luong of Calif.IO in collaboration with OpenAI Codex finder

References

Problem Types

  • CWE-789 Memory Allocation with Excessive Size Value CWE