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redhatcveRedhat.comRH:CVE-2021-29946
HistoryJun 27, 2021 - 12:32 p.m.

CVE-2021-29946

2021-06-2712:32:25
redhat.com
access.redhat.com
35

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

68.3%

JSON

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Related

prion 1
veracode 1
debiancve 1
ubuntucve 1
cve 1
alpinelinux 1
ibm 2
openvas 20
nessus 39
oraclelinux 4
osv 7
mageia 2
kaspersky 3
mozilla 3
redhat 8
suse 2
altlinux 2
almalinux 2
debian 4
archlinux 2
redos 9
amazon 1
ubuntu 3
gentoo 2
prion
prion
Integer overflow
2021-06-24 14:15:00
veracode
veracode
Port Blocking BYPASS
2021-04-22 09:05:54
debiancve
debiancve
CVE-2021-29946
2021-06-24 14:15:00
ubuntucve
ubuntucve
CVE-2021-29946
2021-04-22 00:00:00
cve
cve
CVE-2021-29946
2021-06-24 14:15:00
alpinelinux
alpinelinux
CVE-2021-29946
2021-06-24 14:15:00
ibm
ibm
Security Bulletin: IBM Cloud Pak for Multicloud Management Monitoring has applied security fixes for its use of Mozilla Firefox
2021-12-01 15:06:50
Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.14.0 ESR + CVE-2021-29967) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF14
2021-09-28 16:45:14
openvas
openvas
Mozilla Firefox ESR Security Advisories (MFSA2021-13, MFSA2021-16) - Windows
2021-04-20 00:00:00
Mozilla Firefox ESR Security Advisories (MFSA2021-13, MFSA2021-16) - Mac OS X
2021-04-20 00:00:00
Debian: Security Advisory (DLA-2633-1)
2021-04-24 00:00:00
nessus
nessus
RHEL 8 : firefox (RHSA-2021:1360)
2021-04-26 00:00:00
Debian DLA-2633-1 : firefox-esr security update
2021-04-27 00:00:00
CentOS 8 : firefox (CESA-2021:1360)
2021-05-03 00:00:00
oraclelinux
oraclelinux
firefox security update
2021-04-27 00:00:00
firefox security update
2021-04-27 00:00:00
thunderbird security update
2021-04-27 00:00:00
osv
osv
firefox-esr - security update
2021-04-20 00:00:00
firefox-esr - security update
2021-04-23 00:00:00
firefox vulnerabilities
2021-04-26 10:44:42
mageia
mageia
Updated firefox packages fix security vulnerabilities
2021-04-29 12:41:35
Updated thunderbird packages fix security vulnerabilities
2021-04-29 12:41:35
kaspersky
kaspersky
KLA12150 Multiple vulnerabilities in Mozilla Firefox ESR
2021-04-19 00:00:00
KLA12148 Multiple vulnerabilities in Mozilla Thunderbird
2021-04-19 00:00:00
KLA12149 Multiple vulnerabilities in Mozilla Firefox
2021-04-19 00:00:00
mozilla
mozilla
Security Vulnerabilities fixed in Firefox ESR 78.10 — Mozilla
2021-04-19 00:00:00
Security Vulnerabilities fixed in Thunderbird 78.10 — Mozilla
2021-04-19 00:00:00
Security Vulnerabilities fixed in Firefox 88 — Mozilla
2021-04-19 00:00:00
redhat
redhat
(RHSA-2021:1362) Important: firefox security update
2021-04-26 10:29:17
(RHSA-2021:1361) Important: firefox security update
2021-04-26 10:29:12
(RHSA-2021:1360) Important: firefox security update
2021-04-26 10:29:07
suse
suse
Security update for MozillaFirefox (important)
2021-04-26 00:00:00
Security update for MozillaThunderbird (important)
2021-05-01 00:00:00
altlinux
altlinux
Security fix for the ALT Linux 10 package firefox-esr version 78.10.0-alt1
2021-04-21 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.10.0-alt1
2021-04-26 00:00:00
almalinux
almalinux
Important: firefox security update
2021-04-26 10:29:07
Important: thunderbird security update
2021-04-26 05:03:41
debian
debian
[SECURITY] [DLA 2633-1] firefox-esr security update
2021-04-23 10:43:12
[SECURITY] [DSA 4895-1] firefox-esr security update
2021-04-20 18:17:37
[SECURITY] [DLA 2632-1] thunderbird security update
2021-04-22 10:39:48
archlinux
archlinux
[ASA-202104-4] thunderbird: multiple issues
2021-04-29 00:00:00
[ASA-202104-3] firefox: multiple issues
2021-04-29 00:00:00
redos
redos
ROS-2-463
2021-09-08 00:00:00
ROS-2-515
2021-09-08 00:00:00
ROS-2-553
2021-09-08 00:00:00
amazon
amazon
Important: thunderbird
2021-05-20 17:05:00
ubuntu
ubuntu
Firefox vulnerabilities
2021-04-26 00:00:00
Thunderbird vulnerabilities
2021-06-22 00:00:00
Thunderbird vulnerabilities
2021-06-25 00:00:00
gentoo
gentoo
Mozilla Thunderbird: Multiple vulnerabilities
2021-04-30 00:00:00
Mozilla Firefox: Multiple vulnerabilities
2021-04-30 00:00:00

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

68.3%

JSON
Related for RH:CVE-2021-29946
prion1veracode1debiancve1ubuntucve1cve1alpinelinux1ibm2openvas20nessus39oraclelinux4osv7mageia2kaspersky3mozilla3redhat8suse2altlinux2almalinux2debian4archlinux2redos9amazon1ubuntu3gentoo2