= GDAL/OGR 2.4.3 Release Notes =

The 2.4.3 release is a bug fix release.

== Misc ==

 * Replace a few catch of bad_alloc by exception to handle the case of 32 bit trying to allocate more than 4GB of memory and thus throwing a length_error exception. Found by OSS Fuzz
 * Fix issues with thread_local and C++ objects that don't work well with DLL on Windows

== Port ==

 * /vsicrypt/: fix memleak in error code path
 * /vsitar/: support >100 character file names ([https://github.com/OSGeo/gdal/issues/1559 #1559])
 * /vsitar/: accept space as end of field terminator

== GDAL core ==

 * fix non-neareset resampling over nodata blocks ([https://github.com/OSGeo/gdal/issues/1941 #1941])

== GDAL utilities ==

 * gdalwarp: adjust nodata values, passed with -srcnodata/-dstnodata, and close to FLT_MAX to exactly it ([https://github.com/OSGeo/gdal/issues/1724 #1724])
 * Python scripts: GetOutputDriverFor(): fixes error when multiple drivers found ([https://github.com/OSGeo/gdal/issues/1719 #1719])

== GDAL drivers ==

BAG driver:
 * calculate the northeast pixel corner rather than scaling the resolution, due to an incorrectly shifted northeast corner in some CARIS surveys ([https://github.com/OSGeo/gdal/issues/1728 #1728])

CTable2Dataset driver:
 * SetGeoTransform(): fix read buffer overflow from stack

ENVI driver:
 * preserve 'byte order' on update ([https://github.com/OSGeo/gdal/issues/1796 #1796])

GTiff driver:
 * make sure that GetMetadataDomainList() doesn't return EXIF when there's no EXIF metadata (https://github.com/mapbox/rasterio/pull/1740#issuecomment-526660946)
 * Internal libtiff: backport security related fixes

HDF5 and netCDF drivers:
 * fix crash when reading attributes of type string of variable length with NULL values

JP2KAK driver:
 * fix issue with multi-threaded reads

JP2OpenJPEG driver:
 * fix error logic in multi-threaded code causing memory corruption
 * fix reading overviews, when tiled API is used, and the dimensions of the full resolution image are not a multiple of 2^numresolutions ([https://github.com/OSGeo/gdal/issues/1860 #1860])
 * fix to return the proper number of bytes read when we read more than 2 GB at once (https://github.com/uclouvain/openjpeg/issues/1151)

JPEG driver:
 * fix further calls to RasterIO after reading full image at full resolution ([https://github.com/OSGeo/gdal/issues/1947 #1947])

PDF driver:
 * fix nullptr dereferences on corrupted files (OSS Fuzz #16438, #16558, #16759)
 * fix potential heap buffer overflow (OSS Fuzz #16546)
 * avoid potential integer division by zero (OSS Fuzz #17129)

SAFE driver:
 * avoid potential use-after-free (Coverity 1404037 and 1404140)

Terragen driver:
 * avoid potential use-after-free on error code path in write_header() (Coverity 1404060)

USGSDEM driver:
 * avoid int overflow. Fixes OSS Fuzz #15715
 * fix reading FEMA generated Lidar datasets whose header is 918 bytes large

VRT driver:
 * avoid erroneous pixel request do be done with KernelFilteredSource

== OGR core ==

 * OGRExpatRealloc(): fix double-free when size to allocate is above the default 10MB threshold. OSS Fuzz #16178 / CVE-2019-17545
 * OGR SQLite: do not propagate 'IS / IS NOT value' constructs to OGR SQL
 * OGRSimpleCurve::getPoints() with XYZM: fix wrong stride used for M array
 * OGRSimpleCurve: fix reversePoints() and addSubLineString() to take into account M dimension

== OGR drivers ==

CAD driver:
 * libopencad: CADBuffer: replace m_guard by m_nSize to avoid pointer wrap around on 32 bit platforms on corrupted files. OSS Fuzz #16388

DGN driver:
 * avoid size_t overflow / illegal memory access. OSS Fuzz #16393

GeoJSON driver:
 * fix update of file on Windows (https://github.com/qgis/QGIS/issues/28580)

GPX driver:
 * fix memory leak when streaming to /vsistdout/

LIBKML driver:
 * fix potential memory leak. (Coverity 1404148)

MITAB driver:
 * fix potential double-free (Coverity 1404224)
 * avoid potential nullptr deref (Coverity 1404174)

PDF driver:
 * fix reading polygon with holes and Bezier curves ([https://github.com/OSGeo/gdal/issues/1932 #1932])
 * fix reading strings with escape sequences

PostgreSQL driver:
 * add support for PostgreSQL 12 ([https://github.com/OSGeo/gdal/issues/1692 #1692])
 * be more restrictive when deducing non-nullability of columns in SQL result layers ([https://github.com/OSGeo/gdal/issues/1734 #1734])

S57 driver:
 * s57objectclasses.csv: add missing TXTDSC attribute for DRYDOC class ([https://github.com/OSGeo/gdal/issues/1723 #1723])

XLSX driver:
 * add support for .xlsm extension

WFS3 driver:
 * correctly handle user query string parameters in connection URL ([https://github.com/OSGeo/gdal/issues/1710 #1710])