CVE-2009-0840
UnknownEPSS 5.28%
Last modified
CVE-2009-0840 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 5.28% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Osgeo | Mapserver | 4.2.0 | Beta1 |
| Osgeo | Mapserver | 4.4.0 | — |
| Osgeo | Mapserver | 4.6.0 | — |
| Osgeo | Mapserver | 4.8.0 | Beta1 |
| 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 | 5.2.0 | — |
| Osgeo | Mapserver | 5.2.1 | — |
| Umn | Mapserver | 4.0 | — |
References
- http://trac.osgeo.org/mapserver/ticket/2943Vendor Advisory
- http://trac.osgeo.org/mapserver/ticket/2943Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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 allows remote attackers to have an unknown impact via a negative value in the Content-Length HTTP header.
How severe is CVE-2009-0840?
Severity scoring for CVE-2009-0840 is pending analysis. The EPSS model estimates a 5.28% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0840?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2009-0840?
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Scan your code nowSource: NVD / NIST