CVE-2021-41524
null pointer dereference in h2 fuzzing
- State
- Published
- Severity
- Not scored
- Published
- Oct 5, 2021
- Updated
- Aug 4, 2024
- Reserved
- Sep 20, 2021
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.
Scores
The record has no CVSS score.
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
Apache HTTP ServerApache Software Foundation |
|
References
- https://httpd.apache.org/security/vulnerabilities_24.html
- [oss-security] 20211005 CVE-2021-41524: Apache HTTP Server: null pointer dereference in h2 fuzzingmailing-list
- FEDORA-2021-5d2d4b6ac5vendor-advisory
- 20211007 Apache HTTP Server Vulnerabilties: October 2021vendor-advisory
- FEDORA-2021-f94985afcavendor-advisory
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://security.netapp.com/advisory/ntap-20211029-0009/
- GLSA-202208-20vendor-advisory
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