CVE-2026-44185

Apache HTTP Server: Stack Buffer Over-Read in mod_ssl OCSP `send_request`

State: Published
Severity: 7.3 High
Published: Jun 8, 2026
Updated: Sep 14, 2026
Reserved: May 5, 2026

Description

Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	CISA-ADP
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	redhat-SADP

Weaknesses

CWE-126 Buffer Over-read
CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Apache HTTP ServerApache Software Foundation	2.4.0 through 2.4.67Affected

References

https://httpd.apache.org/security/vulnerabilities_24.htmlvendor-advisory
http://www.openwall.com/lists/oss-security/2026/06/08/12
https://access.redhat.com/security/cve/CVE-2026-44185vdb-entry
RHBZ#2486397issue-tracking
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44185.json
https://access.redhat.com/errata/RHSA-2026:56868vendor-advisory
https://access.redhat.com/errata/RHSA-2026:47046vendor-advisory
https://access.redhat.com/errata/RHSA-2026:34109vendor-advisory
https://access.redhat.com/errata/RHSA-2026:42828vendor-advisory
https://access.redhat.com/errata/RHSA-2026:67152vendor-advisory
https://access.redhat.com/errata/RHSA-2026:66323vendor-advisory
https://access.redhat.com/errata/RHSA-2026:62165vendor-advisory
https://access.redhat.com/errata/RHSA-2026:41906vendor-advisory
https://access.redhat.com/errata/RHSA-2026:25042vendor-advisory
https://access.redhat.com/errata/RHSA-2026:53371vendor-advisory
https://access.redhat.com/errata/RHSA-2026:56869vendor-advisory

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