MapServer · jmckenna · Mar 23, 2026 · Mar 23, 2026 · Mar 23, 2026 · Mar 23, 2026
diff --git a/conf.py b/conf.py
@@ -94,7 +94,7 @@ def __getattr__(cls, name):
 # The short X.Y version.
 version = '8.6'
 # The full version, including alpha/beta/rc tags.
-release = '8.6.0'
+release = '8.6.1'
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #language = None

diff --git a/en/announcements/announcements_archive.txt b/en/announcements/announcements_archive.txt
@@ -4,6 +4,20 @@
  MapServer Announcement Archives
 *****************************************************************************
 
+**2026-03-23 - MapServer 8.6.1 is released**
+
+.. important::  
+   Security release available
+
+The maintenance release of MapServer 8.6.1 has been issued in order to fix
+a security flaw in the SLD parser.
+See the :ref:`changelog <changelog-8-6-1>` for the list of changes. 
+You may also review this `Security Advisory <https://github.com/MapServer/MapServer/security/advisories/GHSA-cv4m-mr84-fgjp>`__, 
+as well as MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__.
+As security for the 7.6 branch has ended, and branches 8.4, 8.2 & 8.0 are not supported, 
+all users are strongly encouraged to upgrade to the MapServer 8.6.1 release (see the 
+:ref:`Migration Guide <migration>`).
+
 **2025-12-03 - MapServer 8.6.0 is released**
 
 The major version MapServer 8.6 has been released. The list of

diff --git a/en/development/changelog/changelog-8-6.txt b/en/development/changelog/changelog-8-6.txt
@@ -7,6 +7,26 @@
 The summary of major changes for this release can be found in the `HISTORY.md <https://github.com/MapServer/MapServer/blob/branch-8-6/HISTORY.md>`__
 file from the source directory.
 
+.. _changelog-8-6-1:
+
+Changes from 8.6.0 to 8.6.1
+===========================
+
+* msSLDParseRasterSymbolizer(): fix potential heap buffer overflow ( `#7461 <https://github.com/mapserver/mapserver/issues/7461>`__ ) (github-actions[bot]) : `fb08dad <https://github.com/mapserver/mapserver/commit/fb08dad4afee081b81c57ca0c5d37c149e7755f9>`__
+* mapwcs20.cpp: remove debug fprintf (Even Rouault) : `90bae9f <https://github.com/mapserver/mapserver/commit/90bae9fbf7b219f97b7ad7a288c3e17f07c9934c>`__
+* Fix C5208 warning ( `#7455 <https://github.com/mapserver/mapserver/issues/7455>`__ ) (github-actions[bot]) : `9698439 <https://github.com/mapserver/mapserver/commit/9698439f8ae1fe429a1048dfae507a50b5f0a9cf>`__
+* Define _USE_MATH_DEFINES so that M_PI is available when include math.h (Even Rouault) : `ba08945 <https://github.com/mapserver/mapserver/commit/ba08945734ccfd2ed2b69e1cbd274b2b24037b87>`__
+* GetFeatureInfo with IDENTIFY CLASSAUTO: take into account SYMBOL.ANCHORPOINT (Even Rouault) : `90590e5 <https://github.com/mapserver/mapserver/commit/90590e5f6d11b51d122fe9f2d7e52191fb71b8cf>`__
+* No longer depend on GDAL's cpl_port.h MIN/MAX/ABS macros (Even Rouault) : `a2cedd5 <https://github.com/mapserver/mapserver/commit/a2cedd5564eac65f3e217785c35f9ed2a98bbb99>`__
+* [Backport branch-8-6] CI: upgrade PHPUnit version to 13 ( `#7428 <https://github.com/mapserver/mapserver/issues/7428>`__ ) (github-actions[bot]) : `e272938 <https://github.com/mapserver/mapserver/commit/e272938ff8cf28f6472681ea687e8554c51bcd95>`__
+* WCS 2.0: fix issue when input raster in a rotated pole lon/lat CRS with lon_0 > 180 ( `#7429 <https://github.com/mapserver/mapserver/issues/7429>`__ ) (github-actions[bot]) : `ff1f23e <https://github.com/mapserver/mapserver/commit/ff1f23e5350569e2404d431d9e88f13a3b4a71a7>`__
+* [Backport branch-8-6] Contour: fix 2 reprojection related issues ( `#7424 <https://github.com/mapserver/mapserver/issues/7424>`__ ) (github-actions[bot]) : `045cced <https://github.com/mapserver/mapserver/commit/045cced3c93018d52a987037eae19ad3a7a1a288>`__
+* Fix memory allocation for bool ( `#7419 <https://github.com/mapserver/mapserver/issues/7419>`__ ) (github-actions[bot]) : `9bba2a2 <https://github.com/mapserver/mapserver/commit/9bba2a27060c97eb066a2c87e67ba8c049e642e4>`__
+* Build: fix build against GDAL 3.13.0dev ( `#7416 <https://github.com/mapserver/mapserver/issues/7416>`__ ) (github-actions[bot]) : `883a7a7 <https://github.com/mapserver/mapserver/commit/883a7a76cda65ad801771a4f40290a745bf3b610>`__
+* UVRaster: fix WMS-Time support on layers with TILEINDEX pointing to a shapefile ( `#7411 <https://github.com/mapserver/mapserver/issues/7411>`__ ) (github-actions[bot]) : `1f754fc <https://github.com/mapserver/mapserver/commit/1f754fcbac5f6168a59ab49bc877354d85956cdd>`__
+* update copyright year (Jeff McKenna) : `3cd4fa0 <https://github.com/mapserver/mapserver/commit/3cd4fa077b4c1ab9df3c3332a37a11432834cbe3>`__
+* WMS GetCapabilities response: use group title and abstract when using wms_layer_group instead of GROUP ( `#7403 <https://github.com/mapserver/mapserver/issues/7403>`__ ) (github-actions[bot]) : `7a49268 <https://github.com/mapserver/mapserver/commit/7a49268687fe39e5b969129cc2686d0a4f0a47e3>`__
+
 .. _changelog-8-6-0:
 
 Changes from 8.6.0-rc1 to 8.6.0

diff --git a/en/development/documentation.txt b/en/development/documentation.txt
@@ -8,7 +8,7 @@
 :Contact: hobu.inc at gmail.com
 :Author:  Jeff McKenna
 :Contact: jmckenna at gatewaygeomatics.com
-:Last Updated: 2025-06-27
+:Last Updated: 2026-03-23
 
 .. contents:: Table of Contents
     :depth: 4
@@ -272,7 +272,7 @@ Installing and Using Sphinx for rst-html Generation
 
        python -m pip install -r requirements.txt      
 
-#. install MacTex from http://www.tug.org/mactex/ if you want to build pdfs
+#. install MacTex from https://www.tug.org/mactex/ if you want to build pdfs
 
 #. to process the documentation, from the MapServer /MapServer-documentation directory, run:
 

diff --git a/en/download.txt b/en/download.txt
@@ -18,7 +18,7 @@ Current Release(s)
 
 * MapServer
 
-  * **2025-12-03** MapServer-8.6.0 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.0.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.0.zip>`__ | :ref:`Changelog <changelog-8-6>`
+  * **2026-03-23** MapServer-8.6.1 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.1.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.1.zip>`__ | :ref:`Changelog <changelog-8-6>`
   * **2025-09-19** MapServer-8.4.1 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.4.1.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.4.1.zip>`__ | :ref:`Changelog <changelog-8-4>`
   * **2024-09-02** MapServer-8.2.2 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.2.2.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.2.2.zip>`__ | :ref:`Changelog <changelog-8-2>`
   * **2024-06-11** MapServer-8.0.2 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.0.2.tar.gz>`__ | :ref:`Changelog <changelog-8-0>`

diff --git a/en/download_archives.txt b/en/download_archives.txt
@@ -15,6 +15,8 @@
 Past Releases
 ..............................................................................
 
+* **2026-03-23** MapServer-8.6.1 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.1.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.1.zip>`__ | :ref:`Changelog <changelog-8-6>`
+
 * **2025-12-03** MapServer-8.6.0 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.0.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.0.zip>`__ | :ref:`Changelog <changelog-8-6>`
 
 * **2025-09-19** MapServer-8.4.1 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.4.1.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.4.1.zip>`__ | :ref:`Changelog <changelog-8-4>`

diff --git a/en/include/announcements.inc b/en/include/announcements.inc
@@ -1,3 +1,19 @@
+**2026-03-23 - MapServer 8.6.1 is released**
+
+.. important::  
+   Security release available
+
+The maintenance release of MapServer 8.6.1 has been issued in order to fix
+a security flaw in the SLD parser.
+See the :ref:`changelog <changelog-8-6-1>` for the list of changes. 
+You may also review this `Security Advisory <https://github.com/MapServer/MapServer/security/advisories/GHSA-cv4m-mr84-fgjp>`__, 
+as well as MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__.
+As security for the 7.6 branch has ended, and branches 8.4, 8.2 & 8.0 are not supported, 
+all users are strongly encouraged to upgrade to the MapServer 8.6.1 release (see the 
+:ref:`Migration Guide <migration>`).
+
+Head to :ref:`download` to obtain a copy.
+
 **2025-12-03 - MapServer 8.6.0 is released**
 
 The major version MapServer 8.6 has been released. The list of

diff --git a/en/ogc/filter_encoding.txt b/en/ogc/filter_encoding.txt
@@ -10,7 +10,7 @@
 :Author:        Jeff McKenna
 :Contact:       jmckenna at gatewaygeomatics.com
 :Author:        Yewondwossen Assefa
-:Last Updated:  2024-06-27
+:Last Updated:  2026-03-23
 
 .. contents:: Table of Contents
     :depth: 2
@@ -44,7 +44,7 @@ Links to SLD-related Information
 - `MapServer OGC Web Services Workshop`_.
 - `Open GIS Consortium (OGC) home page`_.
 
-.. _`Filter Encoding Implementation Specification`: https://www.ogc.org/standard/filter/
+.. _`Filter Encoding Implementation Specification`: https://www.ogc.org/standards/filter/
 .. _`Open GIS Consortium (OGC) home page`: https://www.ogc.org
 .. _`MapServer OGC Web Services Workshop`: https://mapserver.github.io/ms-ogc-workshop/
 

diff --git a/en/ogc/sld.txt b/en/ogc/sld.txt
@@ -10,7 +10,7 @@
 :Author: Jeff McKenna
 :Contact: jmckenna at gatewaygeomatics.com
 :Author: Yewondwossen Assefa
-:Last Updated: 2025-08-18
+:Last Updated: 2026-03-23
 
 .. contents::
     :depth: 2
@@ -42,7 +42,7 @@ Links to SLD-related Information
 - `MapServer OGC Web Services Workshop`_.
 - `Open GIS Consortium (OGC) home page`_.
 
-.. _`Styled Layer Descriptor Implementation Specification`: https://www.ogc.org/standard/sld/
+.. _`Styled Layer Descriptor Implementation Specification`: https://www.ogc.org/standards/sld/
 .. _`MapServer OGC Web Services Workshop`: https://mapserver.github.io/ms-ogc-workshop/
 .. _`Open GIS Consortium (OGC) home page`: https://www.ogc.org
 

diff --git a/en/ogc/sos_server.txt b/en/ogc/sos_server.txt
@@ -42,7 +42,7 @@ Links to SOS-Related Information
 --------------------------------
 
 - `SOS specification documents <https://www.ogc.org/standards/sos>`__ 
-- OGC's `Sensor Web Enablement <https://www.ogc.org/projects/groups/sensorwebdwg>`__  working group
+- OGC's `Sensor Web Enablement <https://docs.ogc.org/wp/07-165r1/>`__  overview
 
 Relevant Definitions
 --------------------

diff --git a/en/ogc/wcs_server.txt b/en/ogc/wcs_server.txt
@@ -13,7 +13,7 @@
 :Contact:      stephan.meissl at eox.at
 :Author:       Fabian Schindler
 :Contact:      fabian.schindler at eox.at
-:Last Updated: 2025-08-02
+:Last Updated: 2026-03-23
 
 .. contents:: Table of Contents
     :depth: 2
@@ -1781,8 +1781,8 @@ Arcview.
 WCS 2.0 Application Profile - Earth Observation (EO-WCS)
 ========================================================
 
-OGC is currently discussing the adoption of an Earth Observation 
-(EO) Application Profile for WCS 2.0 (EO-WCS) (see `public RFC on EO-WCS`_). 
+OGC adopted an Earth Observation 
+(EO) Application Profile for WCS 2.0 (EO-WCS) (see `Earth Observation Application Profile`_). 
 For an implementation please refer to the Open Source project `EOxServer`_ 
 which already implements this proposed EO-WCS based on MapServer.
 
@@ -1837,8 +1837,8 @@ Service of Canada.
 .. _`WCS 2.0 tests in msautotest`: https://github.com/MapServer/MapServer/blob/main/msautotest/wxs/wcs_simple.map
 .. _`WCS GRIB output in msautotest`: https://github.com/MapServer/MapServer/blob/main/msautotest/wxs/wcs_grib_output.map
 .. _`MS RFC 67`: https://mapserver.org/development/rfc/ms-rfc-67.html
-.. _`public RFC on EO-WCS`: https://www.ogc.org/standards/requests/81
-.. _`EOxServer`: http://eoxserver.org
+.. _`Earth Observation Application Profile`: https://docs.ogc.org/is/10-140r2/10-140r2.html
+.. _`EOxServer`: https://eoxserver.org
 .. _`WCS DescribeCoverage live example`: https://demo.mapserver.org/cgi-bin/wcs?SERVICE=WCS&VERSION=1.0.0&REQUEST=DescribeCoverage&COVERAGE=modis
 .. _`WCS GetCapabilities live example`: https://demo.mapserver.org/cgi-bin/wcs?SERVICE=WCS&VERSION=1.0.0&REQUEST=GetCapabilities
 .. _`WCS GetCoverage live example`:  https://demo.mapserver.org/cgi-bin/wcs?SERVICE=WCS&VERSION=1.0.0&REQUEST=GetCoverage&COVERAGE=modis-001&CRS=EPSG:26915&BBOX=159707,4597395,1400707,5501395&WIDTH=400&HEIGHT=300&FORMAT=GEOTIFF_RGB
diff --git a/en/output/kml_output.txt b/en/output/kml_output.txt
@@ -8,7 +8,7 @@ KML Output
 :Authors: Thomas.Bonfort (thomas.bonfort at gmail.com)
 :Authors: Yewondwossen Assefa
 :Authors: Michael Smith (michael.smith at usace.army.mil)
-:Last Updated: 2019-12-13
+:Last Updated: 2026-03-23
 
 Introduction
 -------------------------------------------------------------------------------
@@ -255,13 +255,13 @@ General notes on layers
 - The user can use metadata KML_ALTITUDEMODE to specify how altitude
   components in the <coordinates> element are interpreted. Possible
   values are: absolute, relativeToGround,
-  clampToGround. http://code.google.com/apis/kml/documentation/kmlreference.html#altitudemode
+  clampToGround. https://developers.google.com/kml/documentation/kmlreference?csw=1#altitudemode
 - The user can use metedata KML_EXTRUDE to specify whether to connect
   the LinearRing to the
-  ground. http://code.google.com/apis/kml/documentation/kmlreference.html#tessellate
+  ground. https://developers.google.com/kml/documentation/kmlreference?csw=1#tessellate
 - The user can use metedata KML_TESSELLATE to specify whether to allow
   the LinearRing to follow the
-  terrain. http://code.google.com/apis/kml/documentation/kmlreference.html#extrude
+  terrain. https://developers.google.com/kml/documentation/kmlreference?csw=1#extrude
 - The user can specify an attribute to be used as the elevation value
   using a layer level metedata: 'kml_elevation_attribute' '<Name of
   attribute>'. The value will be used as the z value when the

diff --git a/en/output/svg.txt b/en/output/svg.txt
@@ -406,19 +406,19 @@ Below is a sample goSVG file of a point layer with labels:
 .. _`World Wide Web Consortium's (W3C) Scalable Vector Graphics (SVG) 1.1 Specification`: http://www.w3.org/TR/SVG/
 .. _`SVG 1.1 specification`: http://www.w3.org/TR/SVG/
 .. _`SVG Discussion Paper`: https://old.carto.net/papers/svg/index_e.shtml
-.. _`SVG Tiny Profile`: http://www.w3.org/TR/2003/REC-SVGMobile-20030114/
-.. _`polyline`: http://www.w3.org/TR/SVG/shapes.html#PolylineElement
-.. _`stroke-dasharray`: http://www.w3.org/TR/SVG/painting.html
-.. _`polygon`: http://www.w3.org/TR/SVG/shapes.html#PolygonElement
-.. _`patterns`: http://www.w3.org/TR/SVG/pservers.html#Patterns
-.. _`text`: http://www.w3.org/TR/SVG/text.html#TextElement
-.. _`font-family`: http://www.w3.org/TR/SVG/text.html#FontFamilyProperty
-.. _`font-style`: http://www.w3.org/TR/SVG/text.html#FontStyleProperty
-.. _`font-weight`: http://www.w3.org/TR/SVG/text.html#FontWeightProperty
-.. _`list of SVG implementations`: http://www.w3.org/Graphics/SVG/SVG-Implementations
+.. _`SVG Tiny Profile`: https://www.w3.org/TR/2003/REC-SVGMobile-20030114/
+.. _`polyline`: https://www.w3.org/TR/SVG/shapes.html#PolylineElement
+.. _`stroke-dasharray`: https://www.w3.org/TR/SVG/painting.html
+.. _`polygon`: https://www.w3.org/TR/SVG/shapes.html#PolygonElement
+.. _`patterns`: https://www.w3.org/TR/SVG/pservers.html#Patterns
+.. _`text`: https://www.w3.org/TR/SVG/text.html#TextElement
+.. _`font-family`: https://www.w3.org/TR/SVG/text.html#FontFamilyProperty
+.. _`font-style`: https://www.w3.org/TR/SVG/text.html#FontStyleProperty
+.. _`font-weight`: https://www.w3.org/TR/SVG/text.html#FontWeightProperty
+.. _`list of SVG implementations`: https://www.w3.org/Graphics/SVG/SVG-Implementations
 .. _`Adobe Viewer plugin`: http://www.adobe.com/svg/viewer/install/main.html
 .. _`here`: http://www.svgopen.org/2004/papers/goSVGauthoringtool-1/
 .. _`G-XML`: http://gisclh.dpc.or.jp/gxml/contents-e/index.htm
-.. _`SVG 1.1`: http://www.w3.org/TR/SVG/
+.. _`SVG 1.1`: https://www.w3.org/TR/SVG/