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CVE-2021-41524

CVE-2021-41524 · null pointer dereference in h2 fuzzing

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 7.5 · High · EPSS 25.2% · Fix available

Published
Updated

Stack: system · web

Affected products and versions

  • apache httpd

    Versions
    • 2.4.49: Affected

    No fix published

  • apache2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.4.50-1

    Update to 2.4.50-1

  • apache2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.4.50-1

    Update to 2.4.50-1

  • apache2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.4.50-1

    Update to 2.4.50-1

Original sources

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