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CVE-2009-0840
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…
High10.0EPSS 5.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 5.3% · top 7.4% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
Affected products
n/a
- affected n/a
References (12)
- http://www.positronsecurity.com/advisories/2009-000.html (opens in a new tab)x_refsource_MISCx_transferred
- 1021952 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20090330 Positron Security Advisory #2009-000: Multiple Vulnerabilities in MapServer v5.2.1 and v4.10.3 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 34603 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2009-3383 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 34306 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 34520 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-1914 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- mapserver-contentlength-bo(49545) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://trac.osgeo.org/mapserver/ticket/2943 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2009-3357 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [mapserver-users] 20090326 MapServer 5.2.2 and 4.10.4 released with security fixes (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2009-0840)Record last updated .