All vulnerabilities

Servers and applications

CVE-2021-44790

A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.

Severity
Critical 9.8
Published
20 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.4.52
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Every version before 2.4.52

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-44790
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-44790