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Merge branch 'GP-7131_ryanmkurtz_PR-9452_kaibolay_reasonable-png-chunk-size'

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Ryan Kurtz
2026-08-10 12:44:33 -04:00
parent 65bc0669f6 c5dd19e535
commit abf90b0dcc
1 changed files with 3 additions and 0 deletions
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Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/ios/png/PNGChunk.java
+3
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@@ -40,6 +40,9 @@ public class PNGChunk implements StructConverter {
*/
public PNGChunk(BinaryReader reader) throws IOException {
length = reader.readNextInt();
if (length < 0 || length > 8 * 1024 * 1024) {
throw new IllegalArgumentException("Unreasonable PNG chunk length: " + length);
}
chunkID = reader.readNextInt();
data = reader.readNextByteArray(length);
crc32 = reader.readNextInt();