Red Hat Security Advisory: httpd:2.4 security update
A security update for the Apache HTTP Server (httpd) 2.4 on Red Hat Enterprise Linux addresses a remote denial of service vulnerability in the HTTP/2 module. The vulnerability (CVE-2026-49975) involves a compression bomb and Slowloris-style attack that can cause service disruption. Red Hat has released updated packages for multiple architectures and variants of RHEL 8 to mitigate this issue.
AI Analysis
Technical Summary
The vulnerability CVE-2026-49975 affects the HTTP/2 module of Apache HTTP Server (httpd) 2.4 as packaged by Red Hat. It allows a remote attacker to cause a denial of service by leveraging a compression bomb and Slowloris-style attack, which exhaust server resources and disrupt service availability. Red Hat has issued an important security advisory (RHSA-2026:25090) with updated httpd packages for Red Hat Enterprise Linux 8 across various architectures. The advisory references a detailed vendor article for applying the update and remediation instructions.
Potential Impact
Successful exploitation of this vulnerability can result in a remote denial of service, causing the Apache HTTP Server to become unresponsive or crash. This impacts the availability of web services hosted on affected systems. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Red Hat has released updated httpd:2.4 packages that address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2026:25090 and the referenced article (https://access.redhat.com/articles/11258). Since this is an official fix, applying the update fully mitigates the risk. No additional mitigations are specified or required beyond applying the vendor-provided patch.
Red Hat Security Advisory: httpd:2.4 security update
Description
A security update for the Apache HTTP Server (httpd) 2.4 on Red Hat Enterprise Linux addresses a remote denial of service vulnerability in the HTTP/2 module. The vulnerability (CVE-2026-49975) involves a compression bomb and Slowloris-style attack that can cause service disruption. Red Hat has released updated packages for multiple architectures and variants of RHEL 8 to mitigate this issue.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-49975 affects the HTTP/2 module of Apache HTTP Server (httpd) 2.4 as packaged by Red Hat. It allows a remote attacker to cause a denial of service by leveraging a compression bomb and Slowloris-style attack, which exhaust server resources and disrupt service availability. Red Hat has issued an important security advisory (RHSA-2026:25090) with updated httpd packages for Red Hat Enterprise Linux 8 across various architectures. The advisory references a detailed vendor article for applying the update and remediation instructions.
Potential Impact
Successful exploitation of this vulnerability can result in a remote denial of service, causing the Apache HTTP Server to become unresponsive or crash. This impacts the availability of web services hosted on affected systems. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Red Hat has released updated httpd:2.4 packages that address this vulnerability. Users should apply the security update as described in Red Hat advisory RHSA-2026:25090 and the referenced article (https://access.redhat.com/articles/11258). Since this is an official fix, applying the update fully mitigates the risk. No additional mitigations are specified or required beyond applying the vendor-provided patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:25090
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a2f1a511cccde5f2636eff6
Added to database: 6/14/2026, 9:17:05 PM
Last enriched: 6/14/2026, 9:17:29 PM
Last updated: 6/14/2026, 10:23:38 PM
Views: 4
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