CVE-2026-49975: http server vulnerability

CVE-2026-49975: high vulnerability affecting http server. Check CVSS, KEV status, business impact and recommended administrator actions.
CVE-2026-49975CVSS 7.5Web

CVE-2026-49975: http server vulnerability

CVE-2026-49975: high vulnerability affecting http server. Check CVSS, KEV status, business impact and recommended administrator actions.

CVSS
7.5 HIGH
EPSS
97.9%
Known exploited
not in KEV
Product
http server

What is known

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.

Business impact

Successful exploitation of CVE-2026-49975, a high vulnerability (CVSS 7.5) affecting http server, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.

Recommended administrator action

Confirm whether http server is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.

Sources

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