[MapServer-users] security release available: MapServer 8.6.1

Jeff McKenna jmckenna at gatewaygeomatics.com
Mon Mar 30 08:15:08 PDT 2026


Those requiring a CVE record, see: CVE-2026-33721 
https://www.cve.org/CVERecord?id=CVE-2026-33721

-jeff


On 2026-03-23 4:36 p.m., Jeff McKenna via MapServer-users wrote:
> The MapServer team announces the immediate availability of security 
> release of 8.6.1
> 
> This release contains a fix for a security flaw in the SLD parser. See 
> the changelog for the list of changes ( https://mapserver.org/ 
> development/changelog/changelog-8-6.html#changelog-8-6-1 ). You may also 
> review this specific 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 ). Please note: as security support 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.
> 
> Here is the direct download for today's release:
> 
>   - tar.gz: https://download.osgeo.org/mapserver/mapserver-8.6.1.tar.gz
>   - zip: https://download.osgeo.org/mapserver/mapserver-8.6.1.zip
> 
> (all services on demo.mapserver.org have been upgraded as well)
> 
> Thanks,
> 


-- 
Jeff McKenna
GatewayGeo: Developers of MS4W, & offering MapServer Consulting/Dev
co-founder of FOSS4G
http://gatewaygeo.com/








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