CVE-2006-20001

Apache HTTP Server: mod_dav out of bounds read, or write of zero byte

Published Jan 17, 2023 CVSS 3.1 · 7.5 High EPSS 3.6% KEV · Not listed
Description
A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.

This issue affects Apache HTTP Server 2.4.54 and earlier.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3351-1 apache2 security update
Debian DSA Debian DSA DSA-5376-1 apache2 security update
EUVD EUVD EUVD-2006-2000 A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.
Ubuntu USN Ubuntu USN USN-5834-1 Apache HTTP Server vulnerabilities
Ubuntu USN Ubuntu USN USN-5839-1 Apache HTTP Server vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00724}

epss

{'score': 0.00704}

Type Values Removed Values Added
Metrics epss

{'score': 0.00704}

epss

{'score': 0.00724}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier. A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Feb 13, 2025, 4:27 PM
Reserved
Sep 1, 2022, 2:24 PM
Status
Modified
Published
Jan 17, 2023, 8:15 PM
Modified
Jun 16, 2026, 10:24 PM
Severity
Moderate
Public date
Jan 17, 2023, 12:00 AM