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Update dependency tiff to v4.7.2 - #9839

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radarhere merged 2 commits into
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renovate/tiff-4.x
Aug 3, 2026
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Update dependency tiff to v4.7.2#9839
radarhere merged 2 commits into
mainfrom
renovate/tiff-4.x

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This PR contains the following updates:

Package Update Change
tiff patch 4.7.14.7.2

Release Notes

libtiff/libtiff (tiff)

v4.7.2: libtiff 4.7.2

Compare Source

Major changes

None

Software configuration changes

  • cmake: Fix bundle identifiers to use reverse-DNS format

  • cmake: Fix and improve Apple framework build support

  • cmake: Use TurboJPEG CONFIG by default (:issue:767)

  • cmake: changes related to 8-/12-bit modes

  • cmake: Replace CMath::CMath with direct link to avoid export.

  • Support for iOS-derived builds

  • Simplify cmake byte order version check

  • Add additional warnings, primarily floating precision conversions and integer
    arithmetic conversions

  • configure.ac: Require bootstrap with at least Autoconf 2.71.

Library changes

New/improved functionalities:

  • Add TIFFGetMaxCompressionRatio() and use it in _TIFFReadEncoded[Tile|Strip)AndAllocBuffer()
    (:issue:781)

API/ABI breaks:

  • None

Bug fixes:

  • Handle negative TIFFReadFile results before state updates (:issue:854)

  • tif_dirread.c: fix copy-paste bug in ChopUpSingleUncompressedStrip

  • tif_read.c: Fixed division by zero in TIFFStartStrip() (:issue:777)

  • tif_dirwrite.c: add integer overflow checks to allocation size calculations

  • tif_print.c: add integer overflow checks to allocation size calculations

  • tif_write.c: fix OOB read and underflow in TIFFAppendToStrip copy loop

  • DumpModeSeek: add bounds check to prevent OOB pointer advance

  • TIFFGrowStrips: fix use-after-free on partial realloc failure.

  • Fix NULL dereference in _TIFFReserveLargeEnoughWriteBuffer() by validating
    the strip bytecount array before accessing it.

  • TIFFRGBAImage: avoid int overflows in put functions (:issue:830)

  • tif_getimage: fix inconsistent fromskew handling in put16bitbwtile (:issue:792)

  • tif_getimage: Widen pointer-offset arithmetic in tif_getimage

  • putcontig8bitYCbCr44tile: fix wrong fromskew computation (:issue:798)

  • putcontig8bitYCbCr42tile: Reject invalid YCbCr subsampling when image dimensions
    are smaller than the subsampling block to prevent out-of-bounds writes. (:issue:753)

  • TIFFReadRGBAImage(): prevent integer overflow and later heap overflow (:issue:787)

  • TIFFFillStrip/Tile(): avoid excessive memory allocation (:issue:831)

  • TIFFLinkDirectory() checks for IFD loops (:issue:788)

  • Check result of _TIFFCheckRealloc to prevent memory leaks and segmentation fault when reallocation fails.

  • TIFFVTileSize64(): in YCbCr contig non upsampled mode, validate td_samplesperpixel==3 (:issue:805)

  • TIFFReadDirEntryPersampleShort(): be tolerant to tags like SampleFormat not
    having 1 or SamplesPerPixel valueshttps://github.com/OSGeo/gdal/issues/1346565)

  • tif_getimage: reject tile widths that would overflow toskew (:issue:808)

  • Fix integer overflow in _TIFFPartialReadStripArray on 32-bit.

  • TIFFAppendToStrip(): add some checks to avoid null-pointer-dereferencing (:issue:777).

  • _TIFFGetStrileOffsetOrByteCountValue(): fix potential crash on corrupted files
    when file opened in 'O' mode (https://issues.oss-fuzz.com/issues/471328917)

  • TIFFReadDirectory(): re-set TIFF_LAZYSTRILELOAD if file opened in 'O' mode

  • _TIFFMergeFields(): avoid NULL ptr dereference (:issue:755).

  • Check td_stripbytecount_p and td_stripoffset_p for NULL pointer before (re-)writing to file.
    (:issue:749)

  • JPEGDecodeRaw: initialize output buffer to avoid returning uninitialized memory
    (:issue:892)

  • JPEG decompressor: initialize output buffer when JPEG image is smaller than
    strile dimension to avoid heap memory disclosure (:issue:826)

  • JPEG: fix generation of tiled 12-bit JPEG compressed files with libjpeg-turbo 3.0.3
    (:issue:773)

  • JPEGDecode(): fix memory leak in error code path
    (https://issues.oss-fuzz.com/issues/471945501)

  • tif_jpeg: reject mismatched JPEG data precision to avoid write overflow

  • Fix signed left-shift UB in LogLuv RANDITHER encoding (:issue:850)

  • PixarLog: error out on invalid ABGR output buffer sizes.

  • PixarLog: complete ABGR bounds check for multi-row strip decoding.

  • PixarLog: fix heap-buffer-overflow in 8BITABGR decode with stride 3 (:issue:824)

  • PixarLog: fix undoing horizontal differencing when SamplesPerPixel != 3 and 4 (:issue:789).

  • PixarLog codec: fix potential integer overflow/out-of-bounds access (:issue:797)

  • TIFFAdvanceDirectory(): avoid potential read heap-buffer-overflow in mmap code path on 32 bit builds
    (https://issues.oss-fuzz.com/issues/506737072)

  • OJPEG: fix integer overflow in subsampling buffer allocation.

  • OJPEG fix potential integer overflow/out-of-bounds access (:issue:796).

  • ojpeg: prevent EOF infinite loop (fixes commit 2a3d55b)

  • fix null pointer deference in :issue:782.

  • fix stack-overflow in :issue:784.

Other changes:

  • Change EXIF and GPS tag type from IFD8 to LONG8 per EXIF-specification (:issue:739).

  • Harden integer size and offset calculations (:issue:897)

  • TIFFComputeTile/TIFFComputeStrip: use overflow-checked multiplication

  • Move widening casts inside multiplication scope.

  • Lots of compiler warning fixes related to enabling more warning flags

  • Align writing and reading of TIFF_LONG8 and TIFF_IFD8 tags (:issue:773)

  • TIFFFillStrip(): prevent harmless unsigned integer overflow

Documentation

  • Doc: TIFFFdOpen(): clarify role of filename parameter (:issue:823)

  • Add libtiff/README_for_libtiff_developpers.md

Tools changes

New/improved functionality:

None

Bug fixes:

  • tools: validate numeric command-line arguments (:issue:799)

  • tiff2pdf: add overflow checks to RGBA/RGBAA sample count computation

  • tiff2pdf: Fix integer overflow in RGBA raster allocation in tiff2pdf by
    validating size computation before _TIFFrealloc() (:issue:804)

  • tiffcrop: fix integer overflow in extractImageSection.

  • tiffcrop: fix byte carry for left/right composite bit offsets.

  • tiffcrop: recompute composite crop dimensions before allocation.

  • tiffcrop: fix uint32 overflows in writeImageSections and getCropOffsets
    (:issue:834, :issue:835, :issue:836)

  • tiffcrop: size separated region buffers from actual dimensions

  • tiffcrop: Fix heap-buffer-overflow in composite mode by allocating buffer based
    on final image layout instead of region-based bufftotal (:issue:803)

  • tiffcrop: fix undefined behaviour (:issue:790)

  • tiffcrop: avoid dangling pointer in loadImage by clearing *read_ptr after free (:issue:751)

  • tiffcrop: fix undefined behaviour in reverseSamples32bits() (:issue:752)

  • Fix integer wraparound checks in raw2tiff/tiffcrop and add missing
    zero-divisor guards in tiff2rgba (:issue:832)

  • tiffsplit: use 7-digit numbered output names.

  • tiffsplit: fix global-buffer-overflow (:issue:790)

  • tiffsplit: check filename length (:issue:769)

  • tiffcmp: validate scanline buffer sizes in mixed planar comparison to prevent out-of-bounds reads (:issue:802)

  • tiffmedian: fix use after free (:issue:790)

  • tiffcp: avoid integer overflow in iskew and oskew (:issue:770)

  • fax2tiff: avoid endless loop on corrupt input (:issue:759)

  • tiffdump: Avoid unaligned memory access for tag field values.

  • tiff2ps: Checking the range of double values in before converting to int32_t. (:issue:679)

Changes to contributed and unsupported tools

  • thumbnail: prevent integer overflow by capping row count at 256

  • thumbnail: add/improve integer overflow check for image memory allocation.

  • thumbnail: add error handling for missing strip and tile byte counts.

  • thumbnail: fix Out-of-Bounds Write (:issue:790)

  • rgb2ycbcr: fix integer overflow check for pixel count calculation.

  • iptcutil: out-of-bound read fix (:issue:750)


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@renovate renovate Bot added the Dependency label Aug 3, 2026
@radarhere

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I've pushed a commit to revert the patch from #9646

@renovate

renovate Bot commented Aug 3, 2026

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Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.

@radarhere
radarhere merged commit ebc7a88 into main Aug 3, 2026
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@radarhere
radarhere deleted the renovate/tiff-4.x branch August 3, 2026 10:56
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