Predator and CL did not provide any possible suspects.
Using Code Search for the file, "tif_getimage.c" assigning to the related owner who might have touched on the code.

Suspecting Commit#
https://pdfium.googlesource.com/pdfium.git/+/fdc00a7042d912aafaabddae4d9c84199921ef23

Review URL#
https://codereview.chromium.org/680833006

@tsepez -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

npm@ for more TIFF fun.

ClusterFuzz has detected this issue as fixed in range 486483:486598.

Detailed report: https://clusterfuzz.com/testcase?key=6537092506320896

Fuzzer: afl_pdf_codec_tiff_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e900004697
Crash State:
  gtTileContig
  TIFFRGBAImageGet
  TIFFReadRGBAImageOriented
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=481615:481649
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=486483:486598

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6537092506320896


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.