[PostGIS] #6070: Crashes and unprotected NULL dereferencing

[PostGIS]

#6070: Crashes and unprotected NULL dereferencing
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 Reporter:  pramsey  |      Owner:  pramsey
     Type:  defect   |     Status:  assigned
 Priority:  medium   |  Milestone:  PostGIS 3.2.10
Component:  postgis  |    Version:  3.2.x
 Keywords:           |
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 In response to a security report, multiple small NULL dereferencing cases
 and potential crashes on invalid input were corrected.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6070>
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