[mapserver-commits] [MapServer/MapServer] b3dfc1: WMS: GetLegendGraphic: avoid potential write heap ...

[Even Rouault]

  Branch: refs/heads/backport-7555-to-branch-8-6
  Home:   https://github.com/MapServer/MapServer
  Commit: b3dfc19c9be64b00939b48e9c5829c3e5c63ef1c
      https://github.com/MapServer/MapServer/commit/b3dfc19c9be64b00939b48e9c5829c3e5c63ef1c
  Author: Even Rouault <even.rouault at spatialys.com>
  Date:   2026-07-08 (Wed, 08 Jul 2026)

  Changed paths:
    M msautotest/renderers/resolution.map
    M src/mapwms.cpp

  Log Message:
  -----------
  WMS: GetLegendGraphic: avoid potential write heap buffer overflow via repeated LAYER parameters

Fixes https://github.com/MapServer/MapServer/security/advisories/GHSA-4mwc-qc95-5959

Funded by RGD Savoie Mont-Blanc



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