Merge pull request #2028 from kevinbackhouse/FixIssue2027

Use memmove in TiffEncoder::updateDirEntry
Exiv2 · Dec 14, 2021 · 29cc981 · 29cc981
2 parents 13a2cf3 + e34eacc
commit 29cc981
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diff --git a/src/tiffvisitor_int.cpp b/src/tiffvisitor_int.cpp
@@ -745,7 +745,7 @@ namespace Exiv2 {
 #endif
             memset(buf + 8, 0x0, 4);
             if (pTiffEntry->size() > 0) {
-                memcpy(buf + 8, pTiffEntry->pData(), pTiffEntry->size());
+                memmove(buf + 8, pTiffEntry->pData(), pTiffEntry->size());
                 memset(const_cast<byte*>(pTiffEntry->pData()), 0x0, pTiffEntry->size());
             }
         }

diff --git a/test/data/issue_2027_poc.jpg b/test/data/issue_2027_poc.jpg