CVE-2026-23918: CWE-415 Double Free in Apache Software Foundation Apache HTTP Server
Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-23918) involves a double free condition in Apache HTTP Server 2.4.66 when handling HTTP/2 requests. Double free vulnerabilities can lead to memory corruption, which attackers might exploit to execute arbitrary code remotely. The issue is fixed in Apache HTTP Server version 2.4.67.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected server due to memory corruption caused by the double free. This could compromise the confidentiality, integrity, and availability of the server and hosted applications. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Users should upgrade Apache HTTP Server from version 2.4.66 to version 2.4.67, which contains the official fix for this vulnerability. No other mitigations are indicated by the vendor advisory.
CVE-2026-23918: CWE-415 Double Free in Apache Software Foundation Apache HTTP Server
Description
Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-23918) involves a double free condition in Apache HTTP Server 2.4.66 when handling HTTP/2 requests. Double free vulnerabilities can lead to memory corruption, which attackers might exploit to execute arbitrary code remotely. The issue is fixed in Apache HTTP Server version 2.4.67.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected server due to memory corruption caused by the double free. This could compromise the confidentiality, integrity, and availability of the server and hosted applications. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Users should upgrade Apache HTTP Server from version 2.4.66 to version 2.4.67, which contains the official fix for this vulnerability. No other mitigations are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-01-19T13:00:21.720Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f8b5f1cbff5d86102f700d
Added to database: 5/4/2026, 3:06:25 PM
Last enriched: 5/4/2026, 3:22:15 PM
Last updated: 5/5/2026, 5:54:09 AM
Views: 11
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.
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.