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Vulnerability Details :

CVE-2026-29168

Summary
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
Published At-05 May, 2026 | 13:10
Updated At-05 May, 2026 | 16:31
Rejected At-
Credits

Apache HTTP Server: mod_md unrestricted OCSP response

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:apache
Assigner Org ID:f0158376-9dc2-43b6-827c-5f631a4d8d09
Published At:05 May, 2026 | 13:10
Updated At:05 May, 2026 | 16:31
Rejected At:
▼CVE Numbering Authority (CNA)
Apache HTTP Server: mod_md unrestricted OCSP response

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Affected Products
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache HTTP Server
CPEs
  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Default Status
unaffected
Versions
Affected
  • From 2.4.30 through 2.4.66 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-770CWE-770: Allocation of Resources Without Limits or Throttling
Type: CWE
CWE ID: CWE-770
Description: CWE-770: Allocation of Resources Without Limits or Throttling
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Textual description of severity
text:
low
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Pavel Kohout, Aisle Research, Aisle.com
Timeline
EventDate
reported2026-03-02 12:00:00
fixed in 2.4.x by r19333522026-05-04 12:00:00
Event: reported
Date: 2026-03-02 12:00:00
Event: fixed in 2.4.x by r1933352
Date: 2026-05-04 12:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://httpd.apache.org/security/vulnerabilities_24.html
vendor-advisory
Hyperlink: https://httpd.apache.org/security/vulnerabilities_24.html
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.17.3HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Version: 3.1
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
http://www.openwall.com/lists/oss-security/2026/05/05/6
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/05/05/6
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@apache.org
Published At:05 May, 2026 | 14:16
Updated At:06 May, 2026 | 18:39

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.3HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Type: Secondary
Version: 3.1
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CPE Matches

The Apache Software Foundation
apache
>>http_server>>Versions from 2.4.30(inclusive) to 2.4.67(exclusive)
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-770Secondarysecurity@apache.org
CWE ID: CWE-770
Type: Secondary
Source: security@apache.org
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://httpd.apache.org/security/vulnerabilities_24.htmlsecurity@apache.org
Release Notes
Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/05/6af854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
Hyperlink: https://httpd.apache.org/security/vulnerabilities_24.html
Source: security@apache.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2026/05/05/6
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory

Change History

0
Information is not available yet

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