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I2CP: Add missing max length check on alternate readMessage() path

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reported by: bottomlineit.co.za
This commit is contained in:
zzz
2026-04-25 10:15:08 -04:00
parent 94f62c9e9b
commit 1aba9220a3
1 changed files with 3 additions and 2 deletions
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core/java/src/net/i2p/data/i2cp/I2CPMessageImpl.java
+3 -2
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@@ -35,13 +35,14 @@ public abstract class I2CPMessageImpl implements I2CPMessage {
* @throws IOException
*/
public void readMessage(InputStream in) throws I2CPMessageException, IOException {
int length = 0;
int length;
try {
length = (int) DataHelper.readLong(in, 4);
} catch (DataFormatException dfe) {
throw new I2CPMessageException("Error reading the length bytes", dfe);
}
if (length < 0) throw new I2CPMessageException("Invalid message length specified");
if (length > I2CPMessageHandler.MAX_LENGTH)
throw new I2CPMessageException("Invalid message length specified");
int type = in.read();
if (type < 0)
throw new EOFException();