Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the 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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Apache Software Foundation Apache HTTP Server unaffected
Version Status Constraints
2.4.0 affected ≤ 2.4.67

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://httpd.apache.org/security/vulnerabilities_24.html cve-icon cve-icon
History

Mon, 08 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Description Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the 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.
Title Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow
Weaknesses CWE-124
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-06-08T15:19:23.570Z

Reserved: 2026-05-07T12:39:02.065Z

Link: CVE-2026-44631

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-08T16:16:40.583

Modified: 2026-06-08T16:16:40.583

Link: CVE-2026-44631

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-08T16:30:06Z

Weaknesses