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mozillaMozilla FoundationMFSA2020-49
HistoryNov 09, 2020 - 12:00 a.m.

Security Vulnerabilities fixed in Firefox 82.0.3, Firefox ESR 78.4.1, and Thunderbird 78.4.2 — Mozilla

2020-11-0900:00:00
Mozilla Foundation
www.mozilla.org
157

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.924 High

EPSS

Percentile

99.0%

JSON

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition.

Related

nessus 50
altlinux 2
kaspersky 3
veracode 1
debian 4
redhat 12
openvas 19
alpinelinux 1
oraclelinux 6
suse 4
prion 1
malwarebytes 1
osv 5
redhatcve 1
centos 1
mageia 1
packetstorm 1
checkpoint_advisories 1
ibm 1
zdt 1
cve 1
ubuntu 2
archlinux 1
debiancve 1
metasploit 1
ubuntucve 1
gentoo 1
rapid7blog 1
amazon 1
rosalinux 1
nessus
nessus
RHEL 8 : thunderbird (RHSA-2020:5162)
2020-11-23 00:00:00
Scientific Linux Security Update : thunderbird on SL6.x i686/x86_64 (2020:5164)
2020-11-24 00:00:00
CentOS 7 : firefox (CESA-2020:5099)
2020-11-19 00:00:00
altlinux
altlinux
Security fix for the ALT Linux 10 package firefox-esr version 78.4.1-alt1
2020-11-10 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.4.2-alt1
2020-11-11 00:00:00
kaspersky
kaspersky
KLA11996 Use after free vulnerability in Mozilla Firefox ESR
2020-11-09 00:00:00
KLA11994 Use after free vulnerability in Mozilla Thunderbird
2020-11-09 00:00:00
KLA11995 Use after free vulnerability in Mozilla Firefox
2020-11-09 00:00:00
veracode
veracode
Denial Of Service (DoS)
2020-11-13 07:27:01
debian
debian
[SECURITY] [DSA 4788-1] firefox-esr security update
2020-11-10 18:53:26
[SECURITY] [DLA 2449-1] thunderbird security update
2020-11-13 10:41:43
[SECURITY] [DSA 4790-1] thunderbird security update
2020-11-12 21:40:43
redhat
redhat
(RHSA-2020:5167) Important: thunderbird security update
2020-11-23 08:25:16
(RHSA-2020:5164) Important: thunderbird security update
2020-11-23 08:24:38
(RHSA-2020:5138) Critical: firefox security update
2020-11-17 17:01:51
openvas
openvas
Ubuntu: Security Advisory (USN-4625-1)
2020-11-11 00:00:00
Mozilla Firefox Security Advisory (MFSA2020-49) - Mac OS X
2020-11-10 00:00:00
Mozilla Firefox ESR Security Advisories (MFSA2020-49, MFSA2020-49) - Windows
2020-11-10 00:00:00
alpinelinux
alpinelinux
CVE-2020-26950
2020-12-09 01:15:00
oraclelinux
oraclelinux
thunderbird security update
2020-11-24 00:00:00
thunderbird security update
2020-11-19 00:00:00
thunderbird security update
2020-11-23 00:00:00
suse
suse
Security update for MozillaThunderbird (moderate)
2020-12-01 00:00:00
Security update for MozillaFirefox (important)
2020-11-14 00:00:00
Security update for MozillaFirefox (important)
2020-11-14 00:00:00
prion
prion
Race condition
2020-12-09 01:15:00
malwarebytes
malwarebytes
Mozilla patches critical security issues in Firefox and Thunderbird
2020-11-10 15:22:29
osv
osv
thunderbird - security update
2020-11-12 00:00:00
firefox vulnerability
2020-11-10 15:23:29
thunderbird - security update
2020-11-13 00:00:00
redhatcve
redhatcve
CVE-2020-26950
2020-11-10 09:29:06
centos
centos
firefox security update
2020-11-19 13:49:09
mageia
mageia
Updated firefox and thunderbird packages fix a security vulnerability
2020-11-14 00:20:36
packetstorm
packetstorm
Firefox MCallGetProperty Write Side Effects Use-After-Free
2022-03-01 00:00:00
checkpoint_advisories
checkpoint_advisories
Mozilla Firefox Use After Free (CVE-2020-26950)
2022-05-08 00:00:00
ibm
ibm
Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.5 ESR + CVE-2020-26950) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF12 + ICAM2019.3.0 - 2020.2.0
2021-02-25 07:57:37
zdt
zdt
Firefox MCallGetProperty Write Side Effects Use-After-Free Exploit
2022-03-02 00:00:00
cve
cve
CVE-2020-26950
2020-12-09 01:15:00
ubuntu
ubuntu
Firefox vulnerability
2020-11-10 00:00:00
Thunderbird vulnerabilities
2020-11-25 00:00:00
archlinux
archlinux
[ASA-202011-6] firefox: arbitrary code execution
2020-11-10 00:00:00
debiancve
debiancve
CVE-2020-26950
2020-12-09 01:15:00
metasploit
metasploit
Firefox MCallGetProperty Write Side Effects Use After Free Exploit
2022-02-16 08:33:24
ubuntucve
ubuntucve
CVE-2020-26950
2020-11-10 00:00:00
gentoo
gentoo
Mozilla Firefox: Remote code execution
2020-11-11 00:00:00
rapid7blog
rapid7blog
Metasploit Weekly Wrap-Up
2022-03-04 21:52:42
amazon
amazon
Critical: thunderbird
2020-12-08 21:30:00
rosalinux
rosalinux
Advisory ROSA-SA-2021-1835
2021-07-02 16:43:38

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.924 High

EPSS

Percentile

99.0%

JSON
Related for MFSA2020-49
nessus50altlinux2kaspersky3veracode1debian4redhat12openvas19alpinelinux1oraclelinux6suse4prion1malwarebytes1osv5redhatcve1centos1mageia1packetstorm1checkpoint_advisories1ibm1zdt1cve1ubuntu2archlinux1debiancve1metasploit1ubuntucve1gentoo1rapid7blog1amazon1rosalinux1