CVE-2009-2281: n/a vulnerability

CVE-2009-2281: Multiple heap-based buffer underflows in the readPostBody function in cgiutil.c in mapserv in MapServer 4.x...

Multiple heap-based buffer underflows in the readPostBody function in cgiutil.c in mapserv in MapServer 4.x through 4.10.4 and 5.x before 5.4.2 allow remote attackers to execute arbitrary code via (1) a crafted Content-Length HTTP header or (2) a large HTTP request, related to an integer overflow that triggers a heap-based buffer overflow. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2009-0840.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 16:23 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2009-2281 affects older MapServer CGI deployments. A malformed HTTP request can trigger memory corruption in mapserv and may allow remote code execution. The issue is tied to an incomplete earlier fix for CVE-2009-0840. Exposure is most likely in legacy internet-facing GIS or web mapping services running mapserv CGI on affected MapServer 4.x or 5.x versions. Prioritize remediation for any public-facing legacy MapServer instance. The business risk is highest where mapserv runs with access to sensitive GIS data or adjacent internal systems. Mitigation focus: Upgrade MapServer 5.x deployments to 5.4.2 or later.; Apply Debian DSA-1914 package updates where Debian packages are used.; Identify and retire unsupported MapServer 4.x deployments..

Prepared: Jun 28, 2026, 18:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 23, 2009, 18:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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CVE List V5 sourceCVE List V5

Affected products

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