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ubuntuUbuntuUSN-4666-2
HistoryDec 11, 2020 - 12:00 a.m.

lxml vulnerability

2020-12-1100:00:00
ubuntu.com
61

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.9 Medium

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.0%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • lxml - pythonic binding for the libxml2 and libxslt librarie

Details

USN-4666-1 partially fixed a vulnerability in lxml, but an additional patch was needed. This update provides
the corresponding additional patch in order to properly fix the vulnerability.

Original advisory details:

It was discovered that lxml incorrectly handled certain HTML.
An attacker could possibly use this issue to cross-site scripting (XSS) attacks.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchpython3-lxml< 4.5.2-1ubuntu0.3UNKNOWN
Ubuntu20.10noarchpython-lxml-doc< 4.5.2-1ubuntu0.3UNKNOWN
Ubuntu20.10noarchpython3-lxml-dbg< 4.5.2-1ubuntu0.3UNKNOWN
Ubuntu20.04noarchpython-lxml< 4.5.0-1ubuntu0.2UNKNOWN
Ubuntu20.04noarchpython-lxml-dbg< 4.5.0-1ubuntu0.2UNKNOWN
Ubuntu20.04noarchpython-lxml-doc< 4.5.0-1ubuntu0.2UNKNOWN
Ubuntu20.04noarchpython3-lxml< 4.5.0-1ubuntu0.2UNKNOWN
Ubuntu20.04noarchpython3-lxml-dbg< 4.5.0-1ubuntu0.2UNKNOWN
Ubuntu18.04noarchpython-lxml< 4.2.1-1ubuntu0.3UNKNOWN
Ubuntu18.04noarchpython-lxml-dbg< 4.2.1-1ubuntu0.3UNKNOWN
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1-10 of 321

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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.9 Medium

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.0%

JSON
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