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ubuntuUbuntuUSN-4968-1
HistoryMay 26, 2021 - 12:00 a.m.

LZ4 vulnerability

2021-05-2600:00:00
ubuntu.com
119

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

50.4%

JSON

Releases

  • Ubuntu 21.04
  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • lz4 - Extremely fast compression algorithm

Details

It was discovered that LZ4 incorrectly handled certain memory operations.
If a user or automated system were tricked into uncompressing a specially-
crafted LZ4 file, a remote attacker could use this issue to cause LZ4 to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchliblz4-1< 1.9.3-1ubuntu0.1UNKNOWN
Ubuntu21.04noarchliblz4-1-dbgsym< 1.9.3-1ubuntu0.1UNKNOWN
Ubuntu21.04noarchliblz4-dev< 1.9.3-1ubuntu0.1UNKNOWN
Ubuntu21.04noarchliblz4-tool< 1.9.3-1ubuntu0.1UNKNOWN
Ubuntu21.04noarchlz4< 1.9.3-1ubuntu0.1UNKNOWN
Ubuntu21.04noarchlz4-dbgsym< 1.9.3-1ubuntu0.1UNKNOWN
Ubuntu20.10noarchliblz4-1< 1.9.2-2ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchliblz4-1-dbgsym< 1.9.2-2ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchliblz4-dev< 1.9.2-2ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchliblz4-tool< 1.9.2-2ubuntu0.20.10.1UNKNOWN
Rows per page:
1-10 of 221

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Moderate: lz4 security update
2021-06-29 13:43:40
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2021-05-25 00:00:00
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[SECURITY] [DSA 4919-1] lz4 security update
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Integer overflow
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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

50.4%

JSON
Related for USN-4968-1
nessus32veracode1osv9almalinux1suse2archlinux1ubuntucve1mageia1rocky1ubuntu1oraclelinux1rustsec1debian3redhatcve1cloudfoundry1prion1github1cve1debiancve1photon9alpinelinux1redhat15ibm5oracle4ics1