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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2020-26950
HistoryDec 09, 2020 - 1:15 a.m.

CVE-2020-26950

2020-12-0901:15:00
Debian Security Bug Tracker
security-tracker.debian.org
13

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. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

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
archlinux 1
ubuntu 2
mozilla 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
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
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
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 DEBIANCVE:CVE-2020-26950
nessus50altlinux2kaspersky3veracode1debian4redhat12openvas19alpinelinux1oraclelinux6suse4prion1malwarebytes1osv5redhatcve1centos1mageia1packetstorm1checkpoint_advisories1ibm1zdt1cve1archlinux1ubuntu2mozilla1metasploit1ubuntucve1gentoo1rapid7blog1amazon1rosalinux1