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IFF: fix buffer read overflow

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This commit is contained in:
Mirco Miranda
2026-02-23 14:37:24 +01:00
parent 92368ca58f
commit 5eb09116b0
1 changed files with 1 additions and 1 deletions
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src/imageformats/chunks.cpp
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@@ -3012,7 +3012,7 @@ QByteArray IDATChunk::strideRead(QIODevice *d, qint32 y, const IHDRChunk *header
} }
if (header->model() == IHDRChunk::CLut4) { if (header->model() == IHDRChunk::CLut4) {
if (rr.size() < header->width() / 2) { if (rr.size() < (qint64(header->width()) + 1) / 2) {
return {}; return {};
} }
QByteArray tmp(header->width(), char()); QByteArray tmp(header->width(), char());