CVE-2018-8011
HighPublished
mod_md, DoS via Coredumps on specially crafted requests
- Published
- Jul 18, 2018
- Updated
- Sep 16, 2024
- Assigning CNA
- apache
Primary CVSS
7.5/ 10High
nvd · CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H55.6%
High · next 30 days
- Percentile
- 99.0%
- Model date
- Oct 11, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33).
Sources
Repository evidence: Files: 1 · Repositories: 1
1 Template
javascript/cves/2018/CVE-2018-8011.yaml
Nuclei TemplatesDeclared conditions
- verification: dsl,word($.matchers[*].type)
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