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CVE-2009-0840

CRITICAL
10.0
CVSS Severity Score
EPSS Score0.0420%
EPSS Percentile2.13th
PublishedMar 31, 2009
Last ModifiedApr 23, 2026

Vulnerability Description

Heap-based buffer underflow in the readPostBody function in cgiutil.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to have an unknown impact via a negative value in the Content-Length HTTP header.

Affected Platforms (CPE)

📦
Osgeo

Mapserver

= 4.2.0
📦
Osgeo

Mapserver

= 4.4.0
📦
Osgeo

Mapserver

= 4.4.0
📦
Osgeo

Mapserver

= 4.4.0
📦
Osgeo

Mapserver

= 4.4.0
📦
Osgeo

Mapserver

= 4.6.0
📦
Osgeo

Mapserver

= 4.6.0
📦
Osgeo

Mapserver

= 4.6.0
📦
Osgeo

Mapserver

= 4.6.0
📦
Osgeo

Mapserver

= 4.6.0
📦
Osgeo

Mapserver

= 4.8.0
📦
Osgeo

Mapserver

= 4.8.0
📦
Osgeo

Mapserver

= 4.8.0
📦
Osgeo

Mapserver

= 4.8.0
📦
Osgeo

Mapserver

= 4.8.0
📦
Osgeo

Mapserver

= 4.10.0
📦
Osgeo

Mapserver

= 4.10.0
📦
Osgeo

Mapserver

= 4.10.0
📦
Osgeo

Mapserver

= 4.10.0
📦
Osgeo

Mapserver

= 4.10.0
📦
Osgeo

Mapserver

= 4.10.1
📦
Osgeo

Mapserver

= 4.10.2
📦
Osgeo

Mapserver

= 4.10.3
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.0.0
📦
Osgeo

Mapserver

= 5.2.0
📦
Osgeo

Mapserver

= 5.2.0
📦
Osgeo

Mapserver

= 5.2.0
📦
Osgeo

Mapserver

= 5.2.0
📦
Osgeo

Mapserver

= 5.2.0
📦
Osgeo

Mapserver

= 5.2.0
📦
Osgeo

Mapserver

= 5.2.1
📦
Umn

Mapserver

= 4.0
📦
Umn

Mapserver

= 4.0
📦
Umn

Mapserver

= 4.0

References & Advisories

🔗 http://lists.osgeo.org/pipermail/mapserver-users/2009-March/060600.html
🔗 http://secunia.com/advisories/34520
🔗 http://secunia.com/advisories/34603
🔗 http://trac.osgeo.org/mapserver/ticket/2943
🔗 http://www.debian.org/security/2009/dsa-1914
🔗 http://www.positronsecurity.com/advisories/2009-000.html
🔗 http://www.securityfocus.com/archive/1/502271/100/0/threaded
🔗 http://www.securityfocus.com/bid/34306

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