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ubuntuUbuntuUSN-5570-1
HistoryAug 17, 2022 - 12:00 a.m.

zlib vulnerability

2022-08-1700:00:00
ubuntu.com
52

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

0.003 Low

EPSS

Percentile

71.2%

Releases

  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • zlib - Lossless data-compression library

Details

Evgeny Legerov discovered that zlib incorrectly handled memory when
performing certain inflate operations. An attacker could use this issue
to cause zlib to crash, resulting in a denial of service, or possibly
execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlib64z1< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchlib32z1< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchlib32z1-dev< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchlibx32z1< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchlibx32z1-dev< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchzlib1g< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchzlib1g-dbg< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchzlib1g-dev< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu18.04noarchzlib1g-udeb< 1:1.2.11.dfsg-0ubuntu2.2UNKNOWN
Ubuntu16.04noarchlib64z1< 1:1.2.8.dfsg-2ubuntu4.3+esm2UNKNOWN
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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

0.003 Low

EPSS

Percentile

71.2%