Withdrawn by the publisher.

Affected: CleanStart: stargate

Package stargate version 1.0.90-r4 fixes 87 vulnerabilities: ghsa-76h9-2vwh-w278, ghsa-pqr6-cmr2-h8hf, ghsa-fjpj-2g6w-x25r, ghsa-qcwq-55hx-v3vh, ghsa-55g7-9cwv-5qfv...

snappy-java is a fast compressor/decompressor for Java. Due to unchecked multiplications, an integer overflow may occur in versions prior to 1.1.10.1, causing an unrecoverable fatal error.

The function `compress(char[] input)` in the file `Snappy.java` receives an array of characters and compresses it. It does so by multiplying the length by 2 and passing it to the rawCompress` function.

Since the length is not tested, the multiplication by two can cause an integer overflow and become negative. The rawCompress function then uses the received length and passes it to the natively compiled maxCompressedLength function, using the returned value to allocate a byte array.

Since the maxCompressedLength function treats the length as an unsigned integer, it doesn’t care that it is negative, and it returns a valid value, which is casted to a signed integer by the Java engine. If the result is negative, a `java.lang.NegativeArraySizeException` exception will be raised while trying to allocate the array `buf`. On the other side, if the result is positive, the `buf` array will successfully be allocated, but its size might be too small to use for the compression, causing a fatal Access Violation error.

The same issue exists also when using the `compress` functions that receive double, float, int, long and short, each using a different multiplier that may cause the same issue. The issue most likely won’t occur when using a byte array, since creating a byte array of size 0x80000000 (or…

Affected: Maven: org.xerial.snappy:snappy-java

## Summary Due to unchecked multiplications, an integer overflow may occur, causing an unrecoverable fatal error. ## Impact Denial of Service ## Description The function [compress(char[] input)](https://github.com/xerial/snappy-java/blob/05c39b2ca9b5b7b39611529cc302d3d796329611/src/main/java/org/xerial/snappy/Snappy.java#L169) in the file [Snappy.java](https://github.com/xerial/snappy-java/blob/master/src/main/java/org/xerial/snappy/Snappy.java) receives an array of characters and compresses it. It does so by multiplying the length by 2 and passing it to the [rawCompress](https://github.com/xerial/snappy-java/blob/05c39b2ca9b5b7b39611529cc302d3d796329611/src/main/java/org/xerial/snappy/Snappy.java#L422) function.

```java public static byte[] compress(char[] input) throws IOException { return rawCompress(input, input.length * 2); // char uses 2 bytes }

```

Since the length is not tested, the multiplication by two can cause an integer overflow and become negative. The rawCompress function then uses the received length and passes it to the natively compiled maxCompressedLength function, using the returned value to allocate a byte array.

```java public static byte[] rawCompress(Object data, int byteSize) throws IOException { byte[] buf = new byte[Snappy.maxCompressedLength(byteSize)]; int compressedByteSize = impl.rawCompress(data, 0, byteSize, buf, 0); byte[] result = new byte[compressedByteSize];…

Affected: openEuler:20.03-LTS-SP1: snappy-java, openEuler:20.03-LTS-SP3: snappy-java, openEuler:22.03-LTS: snappy-java, openEuler:22.03-LTS-SP1: snappy-java, openEuler:22.03-LTS-SP2: snappy-java

A Java port of the snappy, a fast compresser/decompresser written in C++.

Security Fix(es):

snappy-java is a fast compressor/decompressor for Java. Due to unchecked multiplications, an integer overflow may occur in versions prior to 1.1.10.1, causing an unrecoverable fatal error.

The function `compress(char[] input)` in the file `Snappy.java` receives an array of characters and compresses it. It does so by multiplying the length by 2 and passing it to the rawCompress` function.

Since the length is not tested, the multiplication by two can cause an integer overflow and become negative. The rawCompress function then uses the received length and passes it to the natively compiled maxCompressedLength function, using the returned value to allocate a byte array.

Since the maxCompressedLength function treats the length as an unsigned integer, it doesn’t care that it is negative, and it returns a valid value, which is casted to a signed integer by the Java engine. If the result is negative, a `java.lang.NegativeArraySizeException` exception will be raised while trying to allocate the array `buf`. On the other side, if the result is positive, the `buf` array will successfully be allocated, but its size might be too small to use for the compression, causing a fatal Access Violation error.

The same issue exists also when using the `compress` functions that receive double, float, int, long and short, each using a different multiplier that may cause the same issue. The issue most l…

netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way SnakeYaml: Constructor Deserialization Remote Code Execution netty: world readable temporary file containing sensitive data scala: deserialization gadget chain RESTEasy: creation of insecure temp files guava: insecure temporary directory creation okio: GzipSource class improper exception handling jetty-server: OutOfMemoryError for large multipart without filename read via request.getParameter() jetty-server: Cookie parsing of quoted values can exfiltrate values from other cookies bouncycastle: potential blind LDAP injection attack using a self-signed certificate snappy-java: Integer overflow in shuffle leads to DoS snappy-java: Integer overflow in compress leads to DoS snappy-java: Unchecked chunk length leads to DoS netty: SniHandler 16MB allocation leads to OOM

Affected: Ubuntu:14.04:LTS: snappy-java, Ubuntu:16.04:LTS: snappy-java, Ubuntu:18.04:LTS: snappy-java, Ubuntu:20.04:LTS: snappy-java, Ubuntu:22.04:LTS: snappy-java, Ubuntu:24.04:LTS: snappy-java, Ubuntu:25.10: snappy-java, Ubuntu:26.04:LTS: snappy-java

snappy-java is a fast compressor/decompressor for Java. Due to unchecked multiplications, an integer overflow may occur in versions prior to 1.1.10.1, causing an unrecoverable fatal error. The function `compress(char[] input)` in the file `Snappy.java` receives an array of characters and compresses it. It does so by multiplying the length by 2 and passing it to the rawCompress` function. Since the length is not tested, the multiplication by two can cause an integer overflow and become negative. The rawCompress function then uses the received length and passes it to the natively compiled maxCompressedLength function, using the returned value to allocate a byte array. Since the maxCompressedLength function treats the length as an unsigned integer, it doesn’t care that it is negative, and it returns a valid value, which is casted to a signed integer by the Java engine. If the result is negative, a `java.lang.NegativeArraySizeException` exception will be raised while trying to allocate the array `buf`. On the other side, if the result is positive, the `buf` array will successfully be allocated, but its size might be too small to use for the compression, causing a fatal Access Violation error. The same issue exists also when using the `compress` functions that receive double, float, int, long and short, each using a different multiplier that may cause the same issue. The issue most likely won’t occur when using a byte array, since creating a byte array of size 0x80000000 (or any…

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