CVE-2006-0042

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Summary

CVECVE-2006-0042
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-02-18 21:02:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionUnspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS: 0.070810000 probability, percentile 0.915420000 (date 2026-04-16)

Problem Types: NVD-CWE-noinfo | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Libapreq2 All All All All
Operating System Debian Debian Linux 3.0 All All All
Operating System Debian Debian Linux 3.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Webmail | OVH- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Third Party Advisory
Secunia - Advisories - Debian update for libapreq2-perl af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Third Party Advisory
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com Third Party Advisory, VDB Entry
Gentoo Linux Documentation -- libapreq2: Denial of Service vulnerability af854a3a-2127-422b-91ae-364da2661108 www.gentoo.org Third Party Advisory
SecurityReason af854a3a-2127-422b-91ae-364da2661108 securityreason.com Third Party Advisory
Secunia - Advisories - Gentoo update for libapreq2 af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
[Apache-SVN] Contents of /httpd/apreq/tags/v2_07/CHANGES af854a3a-2127-422b-91ae-364da2661108 svn.apache.org Vendor Advisory
Libapreq2 Unspecified Vulnerability - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Third Party Advisory
Apache Libapreq2 Quadratic Behavior Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch, Third Party Advisory, VDB Entry
Debian -- Security Information -- DSA-1000-2 libapreq2-perl af854a3a-2127-422b-91ae-364da2661108 www.debian.org Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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