[MIME4J-326] Regression in Mime4J 0.8.10: cannot parse malformed encoding

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.10
• Fix Version/s: 0.8.11
• Component/s: core
• Assignee: Unassigned
• Reporter: Benoit Tellier
• Created: 01/Mar/24 09:25
• Updated: 02/May/24 09:41
• Resolved: 02/May/24 09:41

Description

java.lang.Error: java.io.IOException: Unexpected end of BASE64 stream
	at org.apache.james.mime4j.codec.DecoderUtil.decodeBase64(DecoderUtil.java:104)
	at org.apache.james.mime4j.codec.DecoderUtil.decodeB(DecoderUtil.java:121)
	at org.apache.james.mime4j.codec.DecoderUtil.tryDecodeEncodedWord(DecoderUtil.java:288)
	at org.apache.james.mime4j.codec.DecoderUtil.decodeEncodedWords(DecoderUtil.java:249)
	at org.apache.james.mime4j.codec.DecoderUtil.decodeEncodedWords(DecoderUtil.java:158)
	at org.apache.james.mime4j.stream.RawFieldParser.copyQuotedContent(RawFieldParser.java:443)
	at org.apache.james.mime4j.stream.RawFieldParser.parseValue(RawFieldParser.java:219)
	at org.apache.james.mime4j.field.address.LenientAddressParser.parseAddress(LenientAddressParser.java:274)
	at org.apache.james.mime4j.field.address.LenientAddressParser.parseAddressList(LenientAddressParser.java:319)
	at org.apache.james.mime4j.field.address.LenientAddressParser.parseAddressList(LenientAddressParser.java:331)

Caused by https://github.com/apache/james-mime4j/commit/d5ddd879a7fd4e1e1e7c9edb30850a43031fa7b3

Sample input: "=?windows-1251?B?onsonsmekqixrbahkinyv?=" <[e-mail]>

We can fix this by using a silent monitor.

Issue Links

• links to: GitHub Pull Request #2073