CVE-2021-41524
7.5 HIGHWhile fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source...
Published: 2021-10-05 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.5 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-476
Affected products
| Vendor | Product |
|---|---|
| apache | cloud_backup, fedora, http_server |
| fedoraproject | cloud_backup, fedora, http_server |
| netapp | cloud_backup, fedora, http_server |
| oracle | cloud_backup, fedora, http_server |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-41524
- [Other]http://www.openwall.com/lists/oss-security/2021/10/05/1
- [Vendor advisory]https://httpd.apache.org/security/vulnerabilities_24.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/
- [Other]https://security.gentoo.org/glsa/202208-20
- [Other]https://security.netapp.com/advisory/ntap-20211029-0009/
- [Other]https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ
- [Patch]https://www.oracle.com/security-alerts/cpujan2022.html
- [Other]http://www.openwall.com/lists/oss-security/2021/10/05/1
- [Vendor advisory]https://httpd.apache.org/security/vulnerabilities_24.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/
- [Other]https://security.gentoo.org/glsa/202208-20
- [Other]https://security.netapp.com/advisory/ntap-20211029-0009/
- [Other]https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ
- [Patch]https://www.oracle.com/security-alerts/cpujan2022.html
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