vcl/source/font/fontcharmap.cxx | 6 ++++++
1 file changed, 6 insertions(+)
New commits:
commit d57b14e3394b081adf0888ed8dcb7b86d66c246c
Author: Caolán McNamara <caol...@redhat.com>
AuthorDate: Wed Sep 16 10:16:49 2020 +0100
Commit: Caolán McNamara <caol...@redhat.com>
CommitDate: Wed Sep 16 12:20:17 2020 +0200
ofz#25696 OOM
Change-Id: Ia69e9ce1ca0156e960dddb7e0bf98dfd2be2d7cc
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/102846
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caol...@redhat.com>
diff --git a/vcl/source/font/fontcharmap.cxx b/vcl/source/font/fontcharmap.cxx
index a8a217ac9a5f..2a4ca017e3e2 100644
--- a/vcl/source/font/fontcharmap.cxx
+++ b/vcl/source/font/fontcharmap.cxx
@@ -184,6 +184,12 @@ bool ParseCMAP( const unsigned char* pCmap, int nLength,
CmapResult& rResult )
{
int nSegCountX2 = GetUShort( pCmap + nOffset + 6 );
nRangeCount = nSegCountX2/2 - 1;
+ if (nRangeCount < 0)
+ {
+ SAL_WARN("vcl.gdi", "negative RangeCount");
+ nRangeCount = 0;
+ }
+
pCodePairs = new sal_UCS4[ nRangeCount * 2 ];
pStartGlyphs = new int[ nRangeCount ];
const unsigned char* pLimitBase = pCmap + nOffset + 14;
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