All vulnerabilities

Servers and applications

CVE-2021-41524

While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.

Severity
High 7.5
Published
5 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.4.49

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-41524
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-41524