Osgeo
Osgeo Mapserver: vulnerabilities and CVEs
Osgeo Mapserver has 23 published vulnerabilities, 4 of them in the last 12 months. 2 are rated critical and 0 are listed by CISA as actively exploited.
CVEs23
Last 12 months4
Critical2
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-45104 | High (7.5) | 0.49% | — | May 27, 2026 | MapServer is a system for developing web-based GIS applications. From 6.4.0 to before 8.6.3, msSLDParseUserStyle always calls _SLDApplyRuleValues(psRule, psLayer, 1); for any <Rule> carrying <ElseFilter/> — it assumes… |
| CVE-2026-42030 | Medium (6.1) | 0.30% | — | May 8, 2026 | MapServer is a system for developing web-based GIS applications. From version 6.0 to before version 8.6.2, a reflected XSS vulnerability in MapServer's WMS server allows an unauthenticated attacker to inject arbitrary… |
| CVE-2026-30479 | Critical (9.1) | 0.54% | — | Apr 9, 2026 | A Dynamic-link Library Injection vulnerability in OSGeo Project MapServer before v8.0 allows attackers to execute arbitrary code via a crafted executable. |
| CVE-2026-33721 | High (7.5) | 0.82% | — | Mar 27, 2026 | MapServer is a system for developing web-based GIS applications. Starting in version 4.2 and prior to version 8.6.1, a heap-buffer-overflow write in MapServer’s SLD (Styled Layer Descriptor) parser lets a remote,… |
| CVE-2025-59431 | High (8.9) | 0.41% | — | Sep 19, 2025 | MapServer is a system for developing web-based GIS applications. Prior to 8.4.1, the XML Filter Query directive PropertyName is vulnerably to Boolean-based SQL injection. It seems like expression checking is bypassed by… |
| CVE-2021-32062 | Medium (5.3) | 1.5% | — | May 6, 2021 | MapServer before 7.0.8, 7.1.x and 7.2.x before 7.2.3, 7.3.x and 7.4.x before 7.4.5, and 7.5.x and 7.6.x before 7.6.3 does not properly enforce the MS_MAP_NO_PATH and MS_MAP_PATTERN restrictions that are intended to… |
| CVE-2010-1678 | High (7.5) | 2.2% | — | Oct 29, 2019 | Mapserver 5.2, 5.4 and 5.6 before 5.6.5-2 improperly validates symbol index values during Mapfile parsing. |
| CVE-2017-5522 | Critical (9.8) | 4.8% | — | Mar 15, 2017 | Stack-based buffer overflow in MapServer before 6.0.6, 6.2.x before 6.2.4, 6.4.x before 6.4.5, and 7.0.x before 7.0.4 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors… |
| CVE-2016-9839 | High (7.5) | 1.5% | — | Dec 8, 2016 | In MapServer before 7.0.3, OGR driver error messages are too verbose and may leak sensitive information if data connection fails. |
| CVE-2013-7262 | Medium (6.8) | 2.2% | — | Jan 5, 2014 | SQL injection vulnerability in the msPostGISLayerSetTimeFilter function in mappostgis.c in MapServer before 6.4.1, when a WMS-Time service is used, allows remote attackers to execute arbitrary SQL commands via a crafted… |
| CVE-2011-2975 | Medium (6.8) | 4.6% | — | Aug 1, 2011 | Double free vulnerability in the msAddImageSymbol function in mapsymbol.c in MapServer before 6.0.1 might allow remote attackers to cause a denial of service (application crash) or have unspecified other impact via… |
| CVE-2011-2704 | High (7.5) | 5.2% | — | Aug 1, 2011 | Stack-based buffer overflow in MapServer before 4.10.7 and 5.x before 5.6.7 allows remote attackers to execute arbitrary code via vectors related to OGC filter encoding. |
| CVE-2011-2703 | High (7.5) | 2.7% | — | Aug 1, 2011 | Multiple SQL injection vulnerabilities in MapServer before 4.10.7, 5.x before 5.6.7, and 6.x before 6.0.1 allow remote attackers to execute arbitrary SQL commands via vectors related to (1) OGC filter encoding or (2)… |
| CVE-2010-2540 | High (10) | 3.8% | — | Aug 2, 2010 | mapserv.c in mapserv in MapServer before 4.10.6 and 5.x before 5.6.4 does not properly restrict the use of CGI command-line arguments that were intended for debugging, which allows remote attackers to have an… |
| CVE-2010-2539 | Low (2.1) | 0.32% | — | Aug 2, 2010 | Buffer overflow in the msTmpFile function in maputil.c in mapserv in MapServer before 4.10.6 and 5.x before 5.6.4 allows local users to cause a denial of service via vectors involving names of temporary files. |
| CVE-2009-2281 | High (10) | 5.9% | — | Oct 23, 2009 | 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… |
| CVE-2009-1177 | High (10) | 2.9% | — | Mar 31, 2009 | Multiple stack-based buffer overflows in maptemplate.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 have unknown impact and remote attack vectors. |
| CVE-2009-1176 | High (10) | 4.1% | — | Mar 31, 2009 | mapserv.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 does not ensure that the string holding the id parameter ends in a '\0' character, which allows remote attackers to conduct buffer-overflow… |
| CVE-2009-0843 | High (7.8) | 3.1% | — | Mar 31, 2009 | The msLoadQuery function in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to determine the existence of arbitrary files via a full pathname in the queryfile parameter, which… |
| CVE-2009-0842 | Medium (4.3) | 2.6% | — | Mar 31, 2009 | mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to read arbitrary invalid .map files via a full pathname in the map parameter, which triggers the display of partial file contents… |
| CVE-2009-0841 | High (10) | 5.3% | — | Mar 31, 2009 | Directory traversal vulnerability in mapserv.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2, when running on Windows with Cygwin, allows remote attackers to create arbitrary files via a .. (dot dot) in… |
| CVE-2009-0840 | High (10) | 5.3% | — | Mar 31, 2009 | 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… |
| CVE-2009-0839 | High (10) | 9.0% | — | Mar 31, 2009 | Stack-based buffer overflow in mapserv.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2, when the server has a map with a long IMAGEPATH or NAME attribute, allows remote attackers to execute arbitrary… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.