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mageiaGentoo FoundationMGASA-2020-0421
HistoryNov 14, 2020 - 12:20 a.m.

Updated firefox and thunderbird packages fix a security vulnerability

2020-11-1400:20:36
Gentoo Foundation
advisories.mageia.org
18
firefox
thunderbird
packages
security vulnerability
use-after-free

CVSS2

9.3

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

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

EPSS

0.916

Percentile

99.0%

JSON

Write side effects in MCallGetProperty opcode not accounted for. In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. (CVE-2020-26950) Also some bugfix for Thunderbird have been added. See upstream release notes.

Related

nessus 54
centos 1
oraclelinux 6
openvas 19
osv 7
suse 4
prion 1
redhatcve 1
malwarebytes 1
redhat 12
packetstorm 1
debian 4
kaspersky 3
veracode 1
altlinux 2
alpinelinux 1
nvd 1
debiancve 1
cvelist 1
mozilla 1
gentoo 1
ubuntucve 1
metasploit 1
archlinux 1
ubuntu 2
checkpoint_advisories 1
ibm 1
cve 1
zdt 1
amazon 1
rapid7blog 1
rosalinux 1
nessus
nessus
RHEL 8 : firefox (RHSA-2020:5135)
2020-11-18 00:00:00
RHEL 8 : firefox (RHSA-2020:5139)
2020-11-17 00:00:00
Oracle Linux 6 : thunderbird (ELSA-2020-5164)
2020-11-24 00:00:00
centos
centos
firefox security update
2020-11-19 13:49:09
oraclelinux
oraclelinux
thunderbird security update
2020-11-19 00:00:00
thunderbird security update
2020-11-24 00:00:00
firefox security update
2020-11-17 00:00:00
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2020:3331-1)
2021-04-19 00:00:00
Mozilla Firefox Security Advisory (MFSA2020-49) - Linux
2021-11-08 00:00:00
Mozilla Thunderbird Security Advisory (MFSA2020-49) - Windows
2020-11-10 00:00:00
osv
osv
thunderbird - security update
2020-11-12 00:00:00
firefox-esr - security update
2020-11-10 00:00:00
thunderbird - security update
2020-11-13 00:00:00
suse
suse
Security update for MozillaThunderbird (moderate)
2020-12-01 00:00:00
Security update for MozillaThunderbird (moderate)
2020-11-26 00:00:00
Security update for MozillaFirefox (important)
2020-11-14 00:00:00
prion
prion
Race condition
2020-12-09 01:15:00
redhatcve
redhatcve
CVE-2020-26950
2020-11-10 09:29:06
malwarebytes
malwarebytes
Mozilla patches critical security issues in Firefox and Thunderbird
2020-11-10 15:22:29
redhat
redhat
(RHSA-2020:5139) Critical: firefox security update
2020-11-17 18:46:11
(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
packetstorm
packetstorm
Firefox MCallGetProperty Write Side Effects Use-After-Free
2022-03-01 00:00:00
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
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
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
alpinelinux
alpinelinux
CVE-2020-26950
2020-12-09 01:15:12
nvd
nvd
CVE-2020-26950
2020-12-09 01:15:12
debiancve
debiancve
CVE-2020-26950
2020-12-09 01:15:12
cvelist
cvelist
CVE-2020-26950
2020-12-09 00:19:22
mozilla
mozilla
Security Vulnerabilities fixed in Firefox 82.0.3, Firefox ESR 78.4.1, and Thunderbird 78.4.2 — Mozilla
2020-11-09 00:00:00
gentoo
gentoo
Mozilla Firefox: Remote code execution
2020-11-11 00:00:00
ubuntucve
ubuntucve
CVE-2020-26950
2020-11-10 00:00:00
metasploit
metasploit
Firefox MCallGetProperty Write Side Effects Use After Free Exploit
2022-02-16 08:33:24
archlinux
archlinux
[ASA-202011-6] firefox: arbitrary code execution
2020-11-10 00:00:00
ubuntu
ubuntu
Firefox vulnerability
2020-11-10 00:00:00
Thunderbird vulnerabilities
2020-11-25 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
cve
cve
CVE-2020-26950
2020-12-09 01:15:12
zdt
zdt
Firefox MCallGetProperty Write Side Effects Use-After-Free Exploit
2022-03-02 00:00:00
amazon
amazon
Critical: thunderbird
2020-12-08 21:30:00
rapid7blog
rapid7blog
Metasploit Weekly Wrap-Up
2022-03-04 21:52:42
rosalinux
rosalinux
Advisory ROSA-SA-2021-1835
2021-07-02 16:43:38

CVSS2

9.3

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

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

EPSS

0.916

Percentile

99.0%

JSON
Related for MGASA-2020-0421
nessus54centos1oraclelinux6openvas19osv7suse4prion1redhatcve1malwarebytes1redhat12packetstorm1debian4kaspersky3veracode1altlinux2alpinelinux1nvd1debiancve1cvelist1mozilla1gentoo1ubuntucve1metasploit1archlinux1ubuntu2checkpoint_advisories1ibm1cve1zdt1amazon1rapid7blog1rosalinux1