[commons-compress] branch master updated: COMPRESS-542 each folder requires at least one coder

[bodewig]

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bodewig pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-compress.git


The following commit(s) were added to refs/heads/master by this push:
     new 5761493  COMPRESS-542 each folder requires at least one coder
5761493 is described below

commit 5761493cbaf7a7d608a3b68f4d61aaa822dbeb4f
Author: Stefan Bodewig <stefan.bode...@innoq.com>
AuthorDate: Sun May 16 18:20:23 2021 +0200

    COMPRESS-542 each folder requires at least one coder
---
 .../java/org/apache/commons/compress/archivers/sevenz/SevenZFile.java  | 3 +++
 1 file changed, 3 insertions(+)

diff --git 
a/src/main/java/org/apache/commons/compress/archivers/sevenz/SevenZFile.java 
b/src/main/java/org/apache/commons/compress/archivers/sevenz/SevenZFile.java
index e26cd96..39d8b82 100644
--- a/src/main/java/org/apache/commons/compress/archivers/sevenz/SevenZFile.java
+++ b/src/main/java/org/apache/commons/compress/archivers/sevenz/SevenZFile.java
@@ -1083,6 +1083,9 @@ public class SevenZFile implements Closeable {
         throws IOException {
 
         final int numCoders = assertFitsIntoNonNegativeInt("numCoders", 
readUint64(header));
+        if (numCoders == 0) {
+            throw new IOException("Folder without coders");
+        }
         stats.numberOfCoders += numCoders;
 
         long totalOutStreams = 0;