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CVE-2026-29167

41
FAUCET Score

Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration 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.

First published: Jun 8, 2026Last modified: Jun 8, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.4.0, < 2.4.68CPE matchmatch criteria
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
>= 2.4.0, <= 2.4.67CPE match
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 31st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

apachepatch availablevia llm_extracted
Fixed in: 2.4
ubuntupatch availablevia ubuntu_usn
Product: apache2 (focal)Fixed in: 2.4.41-4ubuntu3.23+esm6
ubuntupatch availablevia ubuntu_usn
Product: apache2 (trusty)Fixed in: 2.4.7-1ubuntu4.22+esm15
ubuntupatch availablevia ubuntu_usn
Product: apache2 (xenial)Fixed in: 2.4.18-2ubuntu3.17+esm20
ubuntupatch availablevia ubuntu_usn
Product: apache2 (resolute)Fixed in: 2.4.66-2ubuntu2.4
ubuntupatch availablevia ubuntu_usn
Product: apache2 (bionic)Fixed in: 2.4.29-1ubuntu4.27+esm11
ubuntupatch availablevia ubuntu_usn
Product: apache2 (jammy)Fixed in: 2.4.52-1ubuntu4.23
ubuntupatch availablevia ubuntu_usn
Product: apache2 (noble)Fixed in: 2.4.58-1ubuntu8.15
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (5)

ubuntuUSN-8589-1

Apache HTTP Server vulnerabilities

Jul 22, 2026
ubuntuUSN-8516-1

Apache HTTP Server vulnerabilities

Jul 8, 2026
microsoft2026-Jun/CVE-2026-29167Important

Apache HTTP Server: mod_ldap per-dir use-after-free

Jun 9, 2026
apacheapache:www.mail-archive.com/[email protected]/msg11207.html

CVE-2026-29167: Apache HTTP Server: mod_ldap per-dir use-after-free

Jun 8, 2026
apachellm-apache-f398f8ed28802aa3LOW

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

Mar 2, 2026

References

openwall.com / lists/oss-security/2026/06/08/4
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2026/06/09/1
Mailing List
httpd.apache.org / security/vulnerabilities_24.html
Vendor Advisory