{"cve":"CVE-2009-2281","nvd":{"published":"2009-10-23T18:30:00.297","modified":"2026-06-16T23:09:07.540","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://security.debian.org/pool/updates/main/m/mapserver/mapserver_4.10.0-5.1+etch4.diff.gz","http://security.debian.org/pool/updates/main/m/mapserver/mapserver_5.0.3-3+lenny4.diff.gz","http://trac.osgeo.org/mapserver/browser/tags/rel-5-4-2/mapserver/HISTORY.TXT","http://trac.osgeo.org/mapserver/ticket/2943","http://www.debian.org/security/2009/dsa-1914"],"products":["osgeo:mapserver","umn:mapserver"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2281","score":0.05949,"percentile":0.93274,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}