VULNERABILITY INTELLIGENCE

CVE-2021-41524

CVSS score7.5 HIGH
EPSS probability25.17%
CISA KEVNot currently listed
Published2021-10-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • security@apache.org: CWE-476
  • nvd@nist.gov: CWE-476

Primary references