Apache HTTP Server 2.4.66 - 'mod_http2' Double-Free Denial of Service
Apache HTTP Server version 2.4.66 contains a double-free vulnerability in the 'mod_http2' module that can lead to a denial of service condition. This vulnerability allows an attacker to cause the server to crash by triggering improper memory management in the HTTP/2 module. The issue affects specifically version 2.4.66 and has been classified with medium severity. No official patch or remediation details are provided in the available data. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
The vulnerability in Apache HTTP Server 2.4.66 involves a double-free error in the 'mod_http2' module, which can be exploited to cause a denial of service by crashing the server. This memory management flaw arises when the module incorrectly frees memory twice, leading to instability or crash of the HTTP server process. The vulnerability is limited to version 2.4.66 and has not been reported with active exploitation. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
Successful exploitation of this vulnerability results in denial of service by crashing the Apache HTTP Server process running version 2.4.66 with the 'mod_http2' module enabled. This disrupts availability of web services hosted on the affected server. There is no indication of code execution or data breach from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider disabling the 'mod_http2' module if feasible to mitigate the risk of denial of service. Monitor official Apache HTTP Server communications for updates regarding a patch or workaround.
Apache HTTP Server 2.4.66 - 'mod_http2' Double-Free Denial of Service
Description
Apache HTTP Server version 2.4.66 contains a double-free vulnerability in the 'mod_http2' module that can lead to a denial of service condition. This vulnerability allows an attacker to cause the server to crash by triggering improper memory management in the HTTP/2 module. The issue affects specifically version 2.4.66 and has been classified with medium severity. No official patch or remediation details are provided in the available data. There are no known exploits in the wild at this time.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Apache HTTP Server 2.4.66 involves a double-free error in the 'mod_http2' module, which can be exploited to cause a denial of service by crashing the server. This memory management flaw arises when the module incorrectly frees memory twice, leading to instability or crash of the HTTP server process. The vulnerability is limited to version 2.4.66 and has not been reported with active exploitation. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
Successful exploitation of this vulnerability results in denial of service by crashing the Apache HTTP Server process running version 2.4.66 with the 'mod_http2' module enabled. This disrupts availability of web services hosted on the affected server. There is no indication of code execution or data breach from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider disabling the 'mod_http2' module if feasible to mitigate the risk of denial of service. Monitor official Apache HTTP Server communications for updates regarding a patch or workaround.
Threat ID: 6a327f0b0b89be68882ed9a5
Added to database: 06/17/2026, 11:03:39 UTC
Last enriched: 06/24/2026, 22:21:31 UTC
Last updated: 07/28/2026, 14:20:30 UTC
Views: 102
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