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UbuntuUSN-4821-1

HistoryMar 15, 2021 - 12:00 a.m.

openpyxl vulnerability

2021-03-1500:00:00

ubuntu.com

ubuntu 16.04 esm

openpyxl library

excel 2010

denial of service

remote attack

unspecified impact

unix

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

8.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H

AI Score

8.3

Confidence

High

EPSS

0.005

Percentile

76.0%

JSON

Releases

Ubuntu 16.04 ESM

Packages

openpyxl - Python library to read/write Excel 2010 xlsx/xlsm/xltx/xltm files

Details

It was discovered that openpyxl incorrectly handled certain documents. A
remote attacker could possibly use this issue to cause a denial of service
or other unspecified impact.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchpython-openpyxl< 2.3.0-1ubuntu0.1~esm1UNKNOWN
Ubuntu16.04noarchpython-openpyxl< 2.3.0-1UNKNOWN
Ubuntu16.04noarchpython3-openpyxl< 2.3.0-1UNKNOWN
Ubuntu16.04noarchpython3-openpyxl< 2.3.0-1ubuntu0.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	16.04	noarch	python-openpyxl	< 2.3.0-1ubuntu0.1~esm1	UNKNOWN
Ubuntu	16.04	noarch	python-openpyxl	< 2.3.0-1	UNKNOWN
Ubuntu	16.04	noarch	python3-openpyxl	< 2.3.0-1	UNKNOWN
Ubuntu	16.04	noarch	python3-openpyxl	< 2.3.0-1ubuntu0.1~esm1	UNKNOWN