tree 99c854ff36f548ea44007b060eeafb5fd2b89a8c
parent 31722577db9dc12a249ca6cdf2ff34e51a998360
author Tom Sepez <tsepez@chromium.org> 1642119134 +0000
committer Tom Sepez <tsepez@chromium.org> 1642119134 +0000

[M97] Use safe arithmetic in CJBig2_Context::ParseSymbolDict()

These should be mitigated by size checks higher up, but it wouldn't
hurt to be sure.

Bug: chromium:1280743
Change-Id: I03c46e3d11316a9f9634256bd0e2394548d2681e
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/88290
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
(cherry picked from commit a48de319c5210da726cb3ae7eea0ab0ebf9a2c02)
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/89291