tree 2fa65f75031995007df9cac03cfd01397043d05a
parent 617a2e8c43d64b9668122e842cde40cecea08784
author Lei Zhang <thestig@chromium.org> 1560991694 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1560991694 +0000

Do an additional check before patching bad JPEG headers.

Make sure the SOFn marker is 5 bytes before the bad dimension.

BUG=chromium:86459

Change-Id: I744c1bd8b2af1c6e979a2401679e0f3198d22e32
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/56530
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>