CVE-2021-34798
Published: 16 September 2021
Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
apache2 Launchpad, Ubuntu, Debian |
impish |
Released
(2.4.48-3.1ubuntu2)
|
| jammy |
Released
(2.4.48-3.1ubuntu2)
|
|
| upstream |
Released
(2.4.49-1)
|
|
| trusty |
Released
(2.4.7-1ubuntu4.22+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| xenial |
Released
(2.4.18-2ubuntu3.17+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| bionic |
Released
(2.4.29-1ubuntu4.17)
|
|
| focal |
Released
(2.4.41-4ubuntu3.5)
|
|
| hirsute |
Released
(2.4.46-4ubuntu1.2)
|
|
|
Patches: upstream: https://github.com/apache/httpd/commit/fa7b2a5250e54363b3a6c8ac3aaa7de4e8da9b2e |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34798
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-34798
- http://httpd.apache.org/security/vulnerabilities_24.html
- https://ubuntu.com/security/notices/USN-5090-1
- https://ubuntu.com/security/notices/USN-5090-2
- NVD
- Launchpad
- Debian