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redhatRedHatRHSA-2021:0995
HistoryMar 25, 2021 - 11:32 a.m.

(RHSA-2021:0995) Important: thunderbird security update

2021-03-2511:32:28
access.redhat.com
49

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

67.9%

JSON

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.9.0.

Security Fix(es):

  • Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)

  • Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)

  • Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)

  • Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related

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mozilla 3
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altlinux 2
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almalinux 2
ibm 2
osv 7
ubuntu 3
nvd 5
veracode 5
ubuntucve 5
cve 5
alpinelinux 4
redhatcve 5
cvelist 5
prion 5
debiancve 5
gentoo 2
rosalinux 2
centos
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thunderbird security update
2021-03-26 18:12:50
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kaspersky
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KLA12129 Multiple vulnerabilities in Mozilla Thunderbird
2021-03-23 00:00:00
KLA12128 Multiple vulnerabilities in Mozilla Firefox ESR
2021-03-23 00:00:00
KLA12127 Multiple vulnerabilities in Mozilla Firefox
2021-03-23 00:00:00
redhat
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(RHSA-2021:0994) Important: thunderbird security update
2021-03-25 11:32:05
(RHSA-2021:0989) Important: firefox security update
2021-03-25 11:30:19
(RHSA-2021:0991) Important: firefox security update
2021-03-25 11:30:55
nessus
nessus
RHEL 8 : thunderbird (RHSA-2021:0995)
2021-03-25 00:00:00
RHEL 8 : firefox (RHSA-2021:0991)
2021-03-25 00:00:00
RHEL 8 : thunderbird (RHSA-2021:0993)
2021-03-25 00:00:00
mageia
mageia
Updated thunderbird packages fix security vulnerabilities
2021-03-30 23:08:49
Updated firefox packages fix security vulnerabilities
2021-03-30 23:08:49
openvas
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Mageia: Security Advisory (MGASA-2021-0164)
2022-01-28 00:00:00
Mageia: Security Advisory (MGASA-2021-0163)
2022-01-28 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:14684-1)
2021-06-09 00:00:00
mozilla
mozilla
Security Vulnerabilities fixed in Thunderbird 78.9 — Mozilla
2021-03-23 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.9 — Mozilla
2021-03-23 00:00:00
Security Vulnerabilities fixed in Firefox 87 — Mozilla
2021-03-23 00:00:00
debian
debian
[SECURITY] [DSA 4874-1] firefox-esr security update
2021-03-24 18:45:08
[SECURITY] [DSA 4876-1] thunderbird security update
2021-03-25 21:18:24
[SECURITY] [DLA 2609-1] thunderbird security update
2021-03-26 15:33:04
oraclelinux
oraclelinux
firefox security update
2021-03-26 00:00:00
firefox security update
2021-03-25 00:00:00
thunderbird security update
2021-03-26 00:00:00
altlinux
altlinux
Security fix for the ALT Linux 10 package firefox-esr version 78.9.0-alt1
2021-03-23 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.10.0-alt1
2021-04-26 00:00:00
amazon
amazon
Important: thunderbird
2021-04-20 17:56:00
Important: thunderbird
2023-02-17 00:11:00
Important: thunderbird
2023-02-17 00:11:00
suse
suse
Security update for MozillaFirefox (important)
2021-03-30 00:00:00
Security update for MozillaThunderbird (important)
2021-04-19 00:00:00
almalinux
almalinux
Important: firefox security update
2021-03-25 11:30:19
Important: thunderbird security update
2021-03-25 11:31:46
ibm
ibm
Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR +  CVE-2021-23987) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + CP4MCM2.2
2021-05-12 02:50:35
Security Bulletin: Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring
2021-05-18 11:41:03
osv
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2021-03-25 00:00:00
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2021-03-24 00:00:00
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ubuntu
ubuntu
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2021-03-25 00:00:00
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Thunderbird vulnerabilities
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nvd
nvd
CVE-2021-23981
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CVE-2021-23987
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CVE-2021-23984
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veracode
veracode
Information Disclosure Via Spoofable Website
2021-03-25 01:22:37
Remote Code Execution (RCE)
2021-03-25 01:22:29
Denial Of Service (DoS)
2021-03-25 01:22:23
ubuntucve
ubuntucve
CVE-2021-23987
2021-03-25 00:00:00
CVE-2021-23984
2021-03-25 00:00:00
CVE-2021-23981
2021-03-24 00:00:00
cve
cve
CVE-2021-23987
2021-03-31 14:15:19
CVE-2021-23982
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CVE-2021-23981
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alpinelinux
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CVE-2021-23984
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CVE-2021-23987
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redhatcve
redhatcve
CVE-2021-23982
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CVE-2021-23984
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CVE-2021-23981
2021-03-25 01:00:49
cvelist
cvelist
CVE-2021-23984
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CVE-2021-23982
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CVE-2021-23981
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prion
prion
Design/Logic Flaw
2021-03-31 14:15:00
Design/Logic Flaw
2021-03-31 14:15:00
Design/Logic Flaw
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debiancve
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CVE-2021-23982
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CVE-2021-23984
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CVE-2021-23987
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gentoo
gentoo
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2021-04-30 00:00:00
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rosalinux
rosalinux
Advisory ROSA-SA-2021-1986
2021-07-02 18:16:55
Advisory ROSA-SA-2021-1835
2021-07-02 16:43:38

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

67.9%

JSON
Related for RHSA-2021:0995
centos2kaspersky3redhat7nessus45mageia2openvas25mozilla3debian4oraclelinux4altlinux2amazon3suse2almalinux2ibm2osv7ubuntu3nvd5veracode5ubuntucve5cve5alpinelinux4redhatcve5cvelist5prion5debiancve5gentoo2rosalinux2