CVE-2022-29404 is a denial-of-service vulnerability affecting Apache HTTP Server versions 2.4.53 and earlier, as well as various related products from NetApp and Fedora. An unauthenticated attacker can trigger this by sending a malicious request to a Lua script that calls r:parsebody(0), which lacks a default input size limit. This vulnerability has a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, with only one mention and one media article (which incorrectly references a different CVE).
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.4.53CPE matchmatch criteria | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project
Mar 2, 2026Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project
Dec 10, 2025httpd: mod_lua: DoS in r:parsebody
Jun 8, 2022Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project