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snappy-java — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2023-34453

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 a fatal error. The function `shuffle(int[] input)` in the file `BitShuffle.java` receives an array of integers and applies a bit shuffle on it. It does so by multiplying the length by 4 and passing it to the natively compiled shuffle function. Since the length is not tested, the multiplication by four can cause an integer overflow and become a smaller value than the true size, or even zero or negative. In the case of a negative value, a `java.lang.NegativeArraySizeException` exception will raise, which can crash the program. In a case of a value that is zero or too small, the code that afterwards references the shuffled array will assume a bigger size of the array, which might cause exceptions such as `java.lang.ArrayIndexOutOfBoundsException`. The same issue exists also when using the `shuffle` functions that receive a double, float, long and short, each using a different multiplier that may cause the same issue. Version 1.1.10.1 contains a patch for this vulnerability.

Products
snappy-java
Affected versions
1.0.4.1~dfsg-1, 1.1.1.7-2, 1.1.10.5-1, 1.1.10.5-1build1, 1.1.10.7-1, 1.1.10.8-1, 1.1.2-1, 1.1.2.1-2, 1.1.4-1, 1.1.7.2-1, 1.1.7.3-1, 1.1.7.3-1build1, 1.1.8.3-1
Fixed versions
Not specified
CVEs
CVE-2023-34453
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:41 UTC · Revision 1

Source evidence

UBUNTU-CVE-2023-34453

core-osv · Original source

Published 15 Jun 2023, 17:15 UTC

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 a fatal error. The function `shuffle(int[] input)` in the file `BitShuffle.java` receives an array of integers and applies a bit shuffle on it. It does so by multiplying the length by 4 and passing it to the natively compiled shuffle function. Since the length is not tested, the multiplication by four can cause an integer overflow and become a smaller value than the true size, or even zero or negative. In the case of a negative value, a `java.lang.NegativeArraySizeException` exception will raise, which can crash the program. In a case of a value that is zero or too small, the code that afterwards references the shuffled array will assume a bigger size of the array, which might cause exceptions such as `java.lang.ArrayIndexOutOfBoundsException`. The same issue exists also when using the `shuffle` functions that receive a double, float, long and short, each using a different multiplier that may cause the same issue. Version 1.1.10.1 contains a patch for this vulnerability.

osv:UBUNTU-CVE-2023-34453

snappy-java

Fixed versions: Not specified

snappy-java

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snappy-java

Fixed versions: Not specified

snappy-java

Fixed versions: Not specified

snappy-java

Fixed versions: Not specified

snappy-java

Fixed versions: Not specified

snappy-java

Fixed versions: Not specified

snappy-java

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snappy-java

Fixed versions: Not specified

Complete source record
{
  "id": "fc73c5810f18e6e9a6eccc5dfe872bb1436c5adef41302bdbbd1a7e1e9e8fc65",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-34453",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2023-34453",
    "summary": "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 a fatal error. The function `shuffle(int[] input)` in the file `BitShuffle.java` receives an array of integers and applies a bit shuffle on it. It does so by multiplying the length by 4 and passing it to the natively compiled shuffle function. Since the length is not tested, the multiplication by four can cause an integer overflow and become a smaller value than the true size, or even zero or negative. In the case of a negative value, a `java.lang.NegativeArraySizeException` exception will raise, which can crash the program. In a case of a value that is zero or too small, the code that afterwards references the shuffled array will assume a bigger size of the array, which might cause exceptions such as `java.lang.ArrayIndexOutOfBoundsException`. The same issue exists also when using the `shuffle` functions that receive a double, float, long and short, each using a different multiplier that may cause the same issue. Version 1.1.10.1 contains a patch for this vulnerability.",
    "evidence": "osv:UBUNTU-CVE-2023-34453",
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      },
      {
        "name": {
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    ],
    "severity": "high",
    "structured": {
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      "aliases": [
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      "metrics": [
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          "type": "CVSS_V3",
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      ],
      "modified": "2026-10-17T12:57:19.290017392Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-34453"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2023-34453",
        "https://github.com/xerial/snappy-java/blob/master/src/main/java/org/xerial/snappy/BitShuffle.java",
        "https://github.com/xerial/snappy-java/security/advisories/GHSA-pqr6-cmr2-h8hf",
        "https://github.com/xerial/snappy-java/commit/820e2e074c58748b41dbd547f4edba9e108ad905",
        "https://github.com/xerial/snappy-java/blob/05c39b2ca9b5b7b39611529cc302d3d796329611/src/main/java/org/xerial/snappy/BitShuffle.java#L107",
        "https://www.cve.org/CVERecord?id=CVE-2023-34453"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-34453",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/1/score"
  },
  "source_id": "core-osv",
  "document_id": 357183,
  "published_at": "2023-06-15T17:15:00+00:00"
}