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16 vulnerabilities found for snappy-java by xerial
CVE-2026-93452 (GCVE-0-2026-93452)
Vulnerability from nvd – Published: 2026-09-17 23:25 – Updated: 2026-09-18 20:00
VLAI
EPSS
VEX
Title
snappy-java through 1.1.10.8 Buffer Overflow in Snappy.compress
Summary
snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in Snappy.compress(ByteBuffer, ByteBuffer) that writes past the end of the destination buffer. Attackers can supply incompressible data that exceeds the destination buffer's remaining capacity, corrupting off-heap memory and causing JVM termination.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 19:59 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/issues/732 | issue-tracking |
| https://github.com/xerial/snappy-java/blob/v1.1.1… | technical-description |
| https://github.com/xerial/snappy-java | product |
| https://www.vulncheck.com/advisories/snappy-java-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
0 , ≤ 1.1.10.8
(custom)
cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:* |
Date Public
2026-09-14 00:00
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CVE-2026-93451 (GCVE-0-2026-93451)
Vulnerability from nvd – Published: 2026-09-17 23:25 – Updated: 2026-09-21 20:52
VLAI
EPSS
VEX
Title
snappy-java through 1.1.10.8 Buffer Overflow via typed uncompress methods
Summary
snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in typed Snappy.uncompress*Array methods that allocate output arrays by dividing uncompressed length by element size but pass the undivided length to native code. Attackers controlling compressed input can cause misaligned length values to write past array bounds with attacker-controlled bytes, corrupting heap memory.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 16:28 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/issues/729 | issue-tracking |
| https://github.com/xerial/snappy-java/blob/v1.1.1… | technical-description |
| https://github.com/xerial/snappy-java | product |
| https://www.vulncheck.com/advisories/snappy-java-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
0 , ≤ 1.1.10.8
(custom)
cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:* |
Date Public
2026-09-14 00:00
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CVE-2026-90559 (GCVE-0-2026-90559)
Vulnerability from nvd – Published: 2026-09-12 18:06 – Updated: 2026-09-14 18:16
VLAI
EPSS
VEX
Title
snappy-java through 1.1.10.8 Out-of-Bounds Write via uncompress
Summary
snappy-java through 1.1.10.8 contains an out-of-bounds write vulnerability in Snappy.uncompress(ByteBuffer, ByteBuffer) because destination buffer capacity is never validated against decompressed size. Attackers can supply valid compressed data that decompresses larger than the destination buffer, causing writes past buffer boundaries and JVM termination.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 17:06 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/issues/728 | issue-tracking |
| https://github.com/xerial/snappy-java | product |
| https://github.com/xerial/snappy-java/blob/v1.1.1… | technical-description |
| https://www.vulncheck.com/advisories/snappy-java-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
0 , ≤ 1.1.10.8
(custom)
cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
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CVE-2024-36124 (GCVE-0-2024-36124)
Vulnerability from nvd – Published: 2024-06-03 14:25 – Updated: 2024-09-05 14:44
VLAI
EPSS
VEX
Title
iq80 Snappy has an out-of-bounds read when uncompressing data, leading to JVM crash
Summary
iq80 Snappy is a compression/decompression library. When uncompressing certain data, Snappy tries to read outside the bounds of the given byte arrays. Because Snappy uses the JDK class `sun.misc.Unsafe` to speed up memory access, no additional bounds checks are performed and this has similar security consequences as out-of-bounds access in C or C++, namely it can lead to non-deterministic behavior or crash the JVM. iq80 Snappy is not actively maintained anymore. As quick fix users can upgrade to version 0.5.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-06 18:26 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/dain/snappy/security/advisorie… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| dain | snappy |
Affected:
< 0.5
|
|
| xerial | snappy-java |
Affected:
0 , < 0.5
(custom)
cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:* |
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CVE-2023-43642 (GCVE-0-2023-43642)
Vulnerability from nvd – Published: 2023-09-25 19:03 – Updated: 2024-09-24 15:26
VLAI
EPSS
VEX
Title
Missing upper bound check on chunk length in snappy-java
Summary
snappy-java is a Java port of the snappy, a fast C++ compresser/decompresser developed by Google. The SnappyInputStream was found to be vulnerable to Denial of Service (DoS) attacks when decompressing data with a too large chunk size. Due to missing upper bound check on chunk length, an unrecoverable fatal error can occur. All versions of snappy-java including the latest released version 1.1.10.3 are vulnerable to this issue. A fix has been introduced in commit `9f8c3cf74` which will be included in the 1.1.10.4 release. Users are advised to upgrade. Users unable to upgrade should only accept compressed data from trusted sources.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-24 15:26 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/9f8c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.4
|
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CVE-2023-34455 (GCVE-0-2023-34455)
Vulnerability from nvd – Published: 2023-06-15 17:15 – Updated: 2025-02-13 16:55
VLAI
EPSS
VEX
Title
snappy-java's unchecked chunk length leads to DoS
Summary
snappy-java is a fast compressor/decompressor for Java. Due to use of an unchecked chunk length, an unrecoverable fatal error can occur in versions prior to 1.1.10.1.
The code in the function hasNextChunk in the fileSnappyInputStream.java checks if a given stream has more chunks to read. It does that by attempting to read 4 bytes. If it wasn’t possible to read the 4 bytes, the function returns false. Otherwise, if 4 bytes were available, the code treats them as the length of the next chunk.
In the case that the `compressed` variable is null, a byte array is allocated with the size given by the input data. Since the code doesn’t test the legality of the `chunkSize` variable, it is possible to pass a negative number (such as 0xFFFFFFFF which is -1), which will cause the code to raise a `java.lang.NegativeArraySizeException` exception. A worse case would happen when passing a huge positive value (such as 0x7FFFFFFF), which would raise the fatal `java.lang.OutOfMemoryError` error.
Version 1.1.10.1 contains a patch for this issue.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-11 21:14 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/3bf6… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/master… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2023081… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.1
|
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CVE-2023-34454 (GCVE-0-2023-34454)
Vulnerability from nvd – Published: 2023-06-15 16:27 – Updated: 2024-12-12 16:25
VLAI
EPSS
VEX
Title
snappy-java's Integer Overflow vulnerability in compress leads to DoS
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 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 other negative value) is impossible in the first place.
Version 1.1.10.1 contains a patch for this issue.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-12 16:25 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/d004… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/master… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.1
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CVE-2023-34453 (GCVE-0-2023-34453)
Vulnerability from nvd – Published: 2023-06-15 16:12 – Updated: 2024-12-12 16:27
VLAI
EPSS
VEX
Title
snappy-java's Integer Overflow vulnerability in shuffle leads to DoS
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.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-12 16:27 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/820e… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/master… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.1
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CVE-2026-93452 (GCVE-0-2026-93452)
Vulnerability from cvelistv5 – Published: 2026-09-17 23:25 – Updated: 2026-09-18 20:00
VLAI
EPSS
VEX
Title
snappy-java through 1.1.10.8 Buffer Overflow in Snappy.compress
Summary
snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in Snappy.compress(ByteBuffer, ByteBuffer) that writes past the end of the destination buffer. Attackers can supply incompressible data that exceeds the destination buffer's remaining capacity, corrupting off-heap memory and causing JVM termination.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 19:59 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/issues/732 | issue-tracking |
| https://github.com/xerial/snappy-java/blob/v1.1.1… | technical-description |
| https://github.com/xerial/snappy-java | product |
| https://www.vulncheck.com/advisories/snappy-java-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
0 , ≤ 1.1.10.8
(custom)
cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:* |
Date Public
2026-09-14 00:00
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CVE-2026-93451 (GCVE-0-2026-93451)
Vulnerability from cvelistv5 – Published: 2026-09-17 23:25 – Updated: 2026-09-21 20:52
VLAI
EPSS
VEX
Title
snappy-java through 1.1.10.8 Buffer Overflow via typed uncompress methods
Summary
snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in typed Snappy.uncompress*Array methods that allocate output arrays by dividing uncompressed length by element size but pass the undivided length to native code. Attackers controlling compressed input can cause misaligned length values to write past array bounds with attacker-controlled bytes, corrupting heap memory.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 16:28 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/issues/729 | issue-tracking |
| https://github.com/xerial/snappy-java/blob/v1.1.1… | technical-description |
| https://github.com/xerial/snappy-java | product |
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Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
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CVE-2026-90559 (GCVE-0-2026-90559)
Vulnerability from cvelistv5 – Published: 2026-09-12 18:06 – Updated: 2026-09-14 18:16
VLAI
EPSS
VEX
Title
snappy-java through 1.1.10.8 Out-of-Bounds Write via uncompress
Summary
snappy-java through 1.1.10.8 contains an out-of-bounds write vulnerability in Snappy.uncompress(ByteBuffer, ByteBuffer) because destination buffer capacity is never validated against decompressed size. Attackers can supply valid compressed data that decompresses larger than the destination buffer, causing writes past buffer boundaries and JVM termination.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 17:06 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/issues/728 | issue-tracking |
| https://github.com/xerial/snappy-java | product |
| https://github.com/xerial/snappy-java/blob/v1.1.1… | technical-description |
| https://www.vulncheck.com/advisories/snappy-java-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
0 , ≤ 1.1.10.8
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Date Public
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CVE-2024-36124 (GCVE-0-2024-36124)
Vulnerability from cvelistv5 – Published: 2024-06-03 14:25 – Updated: 2024-09-05 14:44
VLAI
EPSS
VEX
Title
iq80 Snappy has an out-of-bounds read when uncompressing data, leading to JVM crash
Summary
iq80 Snappy is a compression/decompression library. When uncompressing certain data, Snappy tries to read outside the bounds of the given byte arrays. Because Snappy uses the JDK class `sun.misc.Unsafe` to speed up memory access, no additional bounds checks are performed and this has similar security consequences as out-of-bounds access in C or C++, namely it can lead to non-deterministic behavior or crash the JVM. iq80 Snappy is not actively maintained anymore. As quick fix users can upgrade to version 0.5.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-06 18:26 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/dain/snappy/security/advisorie… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| dain | snappy |
Affected:
< 0.5
|
|
| xerial | snappy-java |
Affected:
0 , < 0.5
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CVE-2023-43642 (GCVE-0-2023-43642)
Vulnerability from cvelistv5 – Published: 2023-09-25 19:03 – Updated: 2024-09-24 15:26
VLAI
EPSS
VEX
Title
Missing upper bound check on chunk length in snappy-java
Summary
snappy-java is a Java port of the snappy, a fast C++ compresser/decompresser developed by Google. The SnappyInputStream was found to be vulnerable to Denial of Service (DoS) attacks when decompressing data with a too large chunk size. Due to missing upper bound check on chunk length, an unrecoverable fatal error can occur. All versions of snappy-java including the latest released version 1.1.10.3 are vulnerable to this issue. A fix has been introduced in commit `9f8c3cf74` which will be included in the 1.1.10.4 release. Users are advised to upgrade. Users unable to upgrade should only accept compressed data from trusted sources.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-24 15:26 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/9f8c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.4
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CVE-2023-34455 (GCVE-0-2023-34455)
Vulnerability from cvelistv5 – Published: 2023-06-15 17:15 – Updated: 2025-02-13 16:55
VLAI
EPSS
VEX
Title
snappy-java's unchecked chunk length leads to DoS
Summary
snappy-java is a fast compressor/decompressor for Java. Due to use of an unchecked chunk length, an unrecoverable fatal error can occur in versions prior to 1.1.10.1.
The code in the function hasNextChunk in the fileSnappyInputStream.java checks if a given stream has more chunks to read. It does that by attempting to read 4 bytes. If it wasn’t possible to read the 4 bytes, the function returns false. Otherwise, if 4 bytes were available, the code treats them as the length of the next chunk.
In the case that the `compressed` variable is null, a byte array is allocated with the size given by the input data. Since the code doesn’t test the legality of the `chunkSize` variable, it is possible to pass a negative number (such as 0xFFFFFFFF which is -1), which will cause the code to raise a `java.lang.NegativeArraySizeException` exception. A worse case would happen when passing a huge positive value (such as 0x7FFFFFFF), which would raise the fatal `java.lang.OutOfMemoryError` error.
Version 1.1.10.1 contains a patch for this issue.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-11 21:14 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/3bf6… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/master… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2023081… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.1
|
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CVE-2023-34454 (GCVE-0-2023-34454)
Vulnerability from cvelistv5 – Published: 2023-06-15 16:27 – Updated: 2024-12-12 16:25
VLAI
EPSS
VEX
Title
snappy-java's Integer Overflow vulnerability in compress leads to DoS
Summary
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Version 1.1.10.1 contains a patch for this issue.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-12 16:25 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/d004… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/master… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.1
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CVE-2023-34453 (GCVE-0-2023-34453)
Vulnerability from cvelistv5 – Published: 2023-06-15 16:12 – Updated: 2024-12-12 16:27
VLAI
EPSS
VEX
Title
snappy-java's Integer Overflow vulnerability in shuffle leads to DoS
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.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-12 16:27 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/xerial/snappy-java/security/ad… | x_refsource_CONFIRM |
| https://github.com/xerial/snappy-java/commit/820e… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/05c39b… | x_refsource_MISC |
| https://github.com/xerial/snappy-java/blob/master… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xerial | snappy-java |
Affected:
< 1.1.10.1
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