diff options
author | Caolán McNamara <caolanm@redhat.com> | 2019-12-02 13:03:48 +0000 |
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committer | Caolán McNamara <caolanm@redhat.com> | 2019-12-02 21:33:25 +0100 |
commit | 3fa8ee239b9d2455c0d5dcc016ce973b7f6acf8d (patch) | |
tree | f33d850fa19f776e298c0a8a2750724d1a4d3943 /filter | |
parent | d4c22030d7c83de6f1835cdb5d891c2d563c34fd (diff) |
ofz#19207 check max strlen possible
Change-Id: I5fe9fde240ef375d9de097dda47953320ecc758d
Reviewed-on: https://gerrit.libreoffice.org/84253
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
Diffstat (limited to 'filter')
-rw-r--r-- | filter/source/graphicfilter/icgm/class7.cxx | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/filter/source/graphicfilter/icgm/class7.cxx b/filter/source/graphicfilter/icgm/class7.cxx index c85e5284e026..8c2478a308ae 100644 --- a/filter/source/graphicfilter/icgm/class7.cxx +++ b/filter/source/graphicfilter/icgm/class7.cxx @@ -127,9 +127,11 @@ void CGM::ImplDoClass7() nAttributes >>= 12; pTextEntry->nAttributes = nAttributes; pAppData += 8; - sal_uInt32 nLen = strlen( reinterpret_cast<char*>( pAppData ) ) + 1; - pTextEntry->pText = new char[ nLen ]; + auto nMaxLen = mpEndValidSource - pAppData; + sal_uInt32 nLen = strnlen(reinterpret_cast<char*>(pAppData), nMaxLen); + pTextEntry->pText = new char[nLen + 1]; memcpy( pTextEntry->pText, pAppData, nLen ); + pTextEntry->pText[nLen] = 0; pAppData += nLen; mpChart->InsertTextEntry( std::move(pTextEntry) ); |