CVE-2024-38477

Apache HTTP Server: Crash resulting in Denial of Service in mod_proxy via a malicious request

null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious request. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

We have discovered 1,073,400 live websites that are affected by CVE-2024-38477.

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Affected Software

Product  Apache
Category Web Servers
Vulnerable Domains1,073,400 live websites (43% of Apache install base)
Vulnerable Versions
  • from 2.4 through 2.4.59
Vulnerable Versions Count53 versions ( 43% of all versions)


Common Weakness Enumeration

CWE-476 NULL Pointer Dereference



Details

  • Published - Jul 1, 2024
  • Updated - Nov 3, 2025

Credits

  • Orange Tsai (@orange_8361) from DEVCORE (finder)

Website Distribution by Country

Number of websites using CVE-2024-38477
United States322,227 websites


Germany126,684 websites
France62,821 websites
Japan42,083 websites
Russia40,574 websites
Italy38,900 websites
Netherlands37,595 websites
Czech Republic33,247 websites
GB26,747 websites
Singapore26,180 websites

Website Distribution by TLD

Number of websites using CVE-2024-38477
.com390,938 websites
.de74,919 websites
.org51,692 websites
.net43,870 websites
.ru35,635 websites
.it34,661 websites
.nl28,701 websites
.cz27,500 websites
.pl21,107 websites
.fr20,860 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2024-38477

Top websites that are affected by CVE-2024-38477. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*************.***.****.****.************.net United States***
*********.net United States***
****************.net United States*,***
***.****.us United States*,***
***.*********.com Singapore*,***
*****.*******.com Singapore*,***
******.net Sweden*,***
******************.com United States*,***
*******.**.com United States*,***
****.*********.net GB*,***
See full domain list

FAQ

CVE-2024-38477 is NULL Pointer Dereference in Apache
A total of 1,073,400 websites have been identified as vulnerable to CVE-2024-38477, based on global website indexing conducted by WebTechSurvey.
The Apache is affected by the CVE-2024-38477 vulnerability.
Apache versions up to and including 2.4.59 are vulnerable to CVE-2024-38477.