Skip to content
fr Sign in
Not rated

CVE-2026-49975 Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service…

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.

Affected products and versions

Product Affected versions Fixed in
Apache HTTP Server 2.4 2.4.17 → 2.4.67 No fix stated
Red Hat JBoss Core Services on RHEL 7 Server Versions not published
Red Hat JBoss Core Services on RHEL 8 Versions not published
Red Hat Enterprise Linux AppStream (v. 10) Versions not published
Red Hat Enterprise Linux AppStream (v. 8) Versions not published
Red Hat Enterprise Linux AppStream (v. 9) Versions not published
Red Hat Hardened Images 2.4 earliest → < 2.4.68-1.hum1 2.4.68-1.hum1
Red Hat JBoss Core Services 2.4.62.SP4 Versions not published
Red Hat OpenShift Service Mesh 2.6 1781604724 earliest → < 1781604724 1781604724
Show the 23 other branches
Product Affected versions Fixed in
Red Hat JBoss Core Services Versions not published
Red Hat JBoss Web Server 5 Versions not published
Red Hat Enterprise Linux AppStream E4S (v.8.8) Versions not published
Red Hat Enterprise Linux AppStream TUS (v.8.8) Versions not published
Red Hat Enterprise Linux AppStream AUS (v.8.4) Versions not published
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) Versions not published
Red Hat Enterprise Linux AppStream AUS (v.8.6) Versions not published
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) Versions not published
JBoss Core Services for RHEL 8 Versions not published
JBoss Core Services on RHEL 7 Versions not published
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 8 8100020260608081321.489197 earliest → < 8100020260608081321.489197e6 8100020260608081321.489197e6
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 8040020260702193120.522 earliest → < 8040020260702193120.522a0ee4 8040020260702193120.522a0ee4
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 8040020260702193120.522 earliest → < 8040020260702193120.522a0ee4 8040020260702193120.522a0ee4
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 8060020260702195216 earliest → < 8060020260702195216.ad008a3a 8060020260702195216.ad008a3a
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 8060020260702195216 earliest → < 8060020260702195216.ad008a3a 8060020260702195216.ad008a3a
Red Hat Enterprise Linux 8.8 Telecommunications Update Service 8080020260702200145.63 earliest → < 8080020260702200145.63b34585 8080020260702200145.63b34585
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 8080020260702200145.63 earliest → < 8080020260702200145.63b34585 8080020260702200145.63b34585
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 10.0 Extended Update Support Versions not published
Red Hat Enterprise Linux 9.6 Extended Update Support Versions not published
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Apache HTTP Server

The 139 CVEs of Apache HTTP Server →
CVE-2026-63686 A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all… Not rated CVE-2026-93546 Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write… Not rated CVE-2026-79768 Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when… Not rated CVE-2026-73637 Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows… Not rated
Track this CVE