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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2020-26951
HistoryDec 09, 2020 - 1:15 a.m.

CVE-2020-26951

2020-12-0901:15:00
Debian Security Bug Tracker
security-tracker.debian.org
35

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

35.9%

JSON

A parsing and event loading mismatch in Firefox’s SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

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RHEL 8 : firefox (RHSA-2020:5314)
2021-01-19 00:00:00
RHEL 8 : firefox (RHSA-2020:5233)
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Oracle Linux 7 : firefox (ELSA-2020-5239)
2020-12-01 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)
2020-12-10 00:00:00
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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2020-11-19 11:52:41
Updated thunderbird packages fix security vulnerabilities
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[SECURITY] [DSA 4796-1] thunderbird security update
2020-11-21 18:32:57
[SECURITY] [DLA 2457-1] firefox-esr security update
2020-11-19 10:07:14
[SECURITY] [DLA 2464-1] thunderbird security update
2020-11-23 09:55:28
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2020-11-19 00:00:00
firefox-esr - security update
2020-11-18 00:00:00
thunderbird - security update
2020-11-23 00:00:00
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thunderbird security update
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firefox security update
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firefox security update
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firefox security update
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2020-12-09 20:24:41
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2020-12-07 00:00:00
Mozilla Thunderbird: Multiple vulnerabilities
2020-12-07 00:00:00
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Security update for MozillaFirefox (important)
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Security update for MozillaThunderbird (important)
2020-12-07 00:00:00
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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
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Security fix for the ALT Linux 10 package thunderbird version 78.5.0-alt1
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Security fix for the ALT Linux 10 package firefox-esr version 78.5.0-alt1
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KLA12012 Multiple vulnerabilities in Mozilla Thunderbird
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KLA12010 Multiple vulnerabilities in Mozilla Firefox
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KLA12011 Multiple vulnerabilities in Mozilla Firefox ESR
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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Thunderbird vulnerabilities
2020-11-25 00:00:00
Firefox vulnerabilities
2020-11-19 00:00:00
Firefox vulnerabilities
2020-11-18 00:00:00
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[ASA-202011-12] firefox: multiple issues
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Important: thunderbird
2021-01-05 23:35:00
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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

35.9%

JSON
Related for DEBIANCVE:CVE-2020-26951
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