CVE-2026-49975: CWE-789 Memory Allocation with Excessive Size Value in Apache Software Foundation Apache HTTP Server
Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
AI Analysis
Technical Summary
This vulnerability involves improper handling of memory allocation requests with excessively large size values in the mod_http component of Apache HTTP Server versions 2.4.17 through 2.4.67. An attacker can send malicious HTTP requests that trigger this condition, causing the server to allocate excessive memory and potentially crash or become unresponsive, resulting in a denial of service.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by exhausting server memory resources, leading to service disruption. There is no indication of remote code execution or data compromise from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the Apache Software Foundation advisory for current remediation guidance. Until an official fix is available, consider implementing network-level protections such as limiting request sizes or rate limiting to reduce exposure to malicious HTTP requests targeting mod_http.
CVE-2026-49975: CWE-789 Memory Allocation with Excessive Size Value in Apache Software Foundation Apache HTTP Server
Description
Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper handling of memory allocation requests with excessively large size values in the mod_http component of Apache HTTP Server versions 2.4.17 through 2.4.67. An attacker can send malicious HTTP requests that trigger this condition, causing the server to allocate excessive memory and potentially crash or become unresponsive, resulting in a denial of service.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by exhausting server memory resources, leading to service disruption. There is no indication of remote code execution or data compromise from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the Apache Software Foundation advisory for current remediation guidance. Until an official fix is available, consider implementing network-level protections such as limiting request sizes or rate limiting to reduce exposure to malicious HTTP requests targeting mod_http.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-02T17:20:37.983Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a26e46de29bf47b501e5328
Added to database: 6/8/2026, 3:49:01 PM
Last enriched: 6/8/2026, 4:04:20 PM
Last updated: 6/8/2026, 6:23:44 PM
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.