diff options
author | Caolán McNamara <caolanm@redhat.com> | 2017-02-28 16:43:44 +0000 |
---|---|---|
committer | Markus Mohrhard <markus.mohrhard@googlemail.com> | 2017-03-02 10:23:09 +0000 |
commit | aa5efe3ca9167c60049292e32b2b7c731e799e42 (patch) | |
tree | e8e76e331dfae47d0dd173ded197641bb4effd06 /filter | |
parent | 0eda0807f9b0ba81035cf4bd630e50a27ba2678b (diff) |
ofz#668: check nTargetBits size
Change-Id: I5cc7499cfdee58ffa480bb31dfc262d5b781180d
(cherry picked from commit 99c361be16eb3a21aa679a103db2d07ecd0f5d3c)
Reviewed-on: https://gerrit.libreoffice.org/34724
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Diffstat (limited to 'filter')
-rw-r--r-- | filter/source/graphicfilter/itiff/ccidecom.cxx | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/filter/source/graphicfilter/itiff/ccidecom.cxx b/filter/source/graphicfilter/itiff/ccidecom.cxx index 1cb7d7d53448..4fcb6b9a32ab 100644 --- a/filter/source/graphicfilter/itiff/ccidecom.cxx +++ b/filter/source/graphicfilter/itiff/ccidecom.cxx @@ -627,7 +627,9 @@ void CCIDecompressor::StartDecompression( SvStream & rIStream ) bool CCIDecompressor::DecompressScanline( sal_uInt8 * pTarget, sal_uLong nTargetBits, bool bLastLine ) { - bool b2D; + //Read[1|2]DScanlineData take a sal_uInt16, so its either limit here or expand there + if (nTargetBits > SAL_MAX_UINT16) + return false; if ( nEOLCount >= 5 ) // RTC (Return To Controller) return true; @@ -682,6 +684,7 @@ bool CCIDecompressor::DecompressScanline( sal_uInt8 * pTarget, sal_uLong nTarget if ( nOptions & CCI_OPTION_BYTEALIGNROW ) nInputBitsBufSize &= 0xfff8; + bool b2D; // is it a 2D row? if ( nOptions & CCI_OPTION_2D ) { |