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From b654f20ecebc30ab73022a6b32c2fd1cef162ea6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Novomesk=C3=BD?= <dnovomesky@gmail.com>
Date: Sun, 29 Jan 2023 16:16:52 +0100
Subject: [PATCH] heif: reject invalid files with zero size
---
src/imageformats/heif.cpp | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/imageformats/heif.cpp b/src/imageformats/heif.cpp
index 3365d92..c938c0d 100644
--- a/src/imageformats/heif.cpp
+++ b/src/imageformats/heif.cpp
@@ -449,6 +449,14 @@ bool HEIFHandler::ensureDecoder()
return false;
}
+ if ((heif_image_handle_get_width(handle) == 0) || (heif_image_handle_get_height(handle) == 0)) {
+ m_parseState = ParseHeicError;
+ heif_image_handle_release(handle);
+ heif_context_free(ctx);
+ qWarning() << "HEIC image has zero dimension";
+ return false;
+ }
+
const bool hasAlphaChannel = heif_image_handle_has_alpha_channel(handle);
const int bit_depth = heif_image_handle_get_luma_bits_per_pixel(handle);
heif_chroma chroma;
--
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