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redhatcveRedhat.comRH:CVE-2020-26956
HistoryNov 18, 2020 - 1:09 a.m.

CVE-2020-26956

2020-11-1801:09:03
redhat.com
access.redhat.com
17

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

40.5%

JSON

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Related

prion 1
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openvas 22
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oraclelinux 6
osv 6
gentoo 2
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mozilla 3
ibm 1
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altlinux 2
ubuntu 3
archlinux 1
amazon 1
rosalinux 1
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RHEL 8 : thunderbird (RHSA-2020:5236)
2020-11-30 00:00:00
RHEL 8 : firefox (RHSA-2020:5314)
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RHEL 8 : firefox (RHSA-2020:5233)
2020-11-30 00:00:00
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Debian: Security Advisory (DLA-2457-1)
2020-11-20 00:00:00
CentOS: Security Advisory for thunderbird (CESA-2020:5235)
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Mozilla Thunderbird Security Advisories (MFSA2020-50, MFSA2020-52) - Mac OS X
2020-11-18 00:00:00
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(RHSA-2020:5234) Important: firefox security update
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(RHSA-2020:5257) Important: firefox security update
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(RHSA-2020:5231) Important: thunderbird security update
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firefox security update
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thunderbird - security update
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Mozilla Firefox: Multiple vulnerabilities
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Mozilla Thunderbird: Multiple vulnerabilities
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firefox security update
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Security Vulnerabilities fixed in Thunderbird 78.5 — Mozilla
2020-11-17 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.5 — Mozilla
2020-11-17 00:00:00
Security Vulnerabilities fixed in Firefox 83 — Mozilla
2020-11-17 00:00:00
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Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.5 ESR + CVE-2020-26951) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF11 + ICAM2019.3.0 - 2020.2.0
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KLA12012 Multiple vulnerabilities in Mozilla Thunderbird
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Security fix for the ALT Linux 10 package thunderbird version 78.5.0-alt1
2020-11-19 00:00:00
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2020-11-16 00:00:00
ubuntu
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Thunderbird vulnerabilities
2020-11-25 00:00:00
Firefox vulnerabilities
2020-11-19 00:00:00
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2020-11-18 00:00:00
archlinux
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[ASA-202011-12] firefox: multiple issues
2020-11-17 00:00:00
amazon
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Important: thunderbird
2021-01-05 23:35:00
rosalinux
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Advisory ROSA-SA-2021-1835
2021-07-02 16:43:38

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

40.5%

JSON
Related for RH:CVE-2020-26956
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