CVE-2026-44185

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

HIGH
7.3
CVSS Score
Published: June 8, 2026 at 03:22 PM UTC
Updated: September 14, 2026 at 01:34 PM UTC
2 products affected across 2 vendorsHTTP ServerEnterprise Linux

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Severity
HIGH7.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.4.0 ≤ v ≤ 2.4.672.4.0
Affected range stops below 2.4.68, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 0:2.4.57-11.el9_4.5 (unaffected)
Vendor states this is fixed in 0:2.4.62-13.el9_8.5 (unaffected)
Vendor states this is fixed in 0:2.4.62-4.el9_6.6 (unaffected)
Vendor states this is fixed in 0:2.4.63-1.el10_0.4 (unaffected)
Vendor states this is fixed in 0:2.4.63-13.el10_2.4 (unaffected)
Vendor states this is fixed in 8100020260714175253.489197e6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (16)

Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/06/08/12
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/security/cve/CVE-2026-44185
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://bugzilla.redhat.com/show_bug.cgi?id=2486397
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:34109
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:25042
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:41906

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-126CWE-125

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