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ubuntucveUbuntu.comUB:CVE-2021-23987
HistoryMar 25, 2021 - 12:00 a.m.

CVE-2021-23987

2021-03-2500:00:00
ubuntu.com
ubuntu.com
12

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

67.3%

JSON

Mozilla developers and community members reported memory safety bugs
present in Firefox 86 and Firefox ESR 78.8. Some of these bugs showed
evidence of memory corruption and we presume that with enough effort some
of these could have been exploited to run arbitrary code. This
vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird <
78.9.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 87.0+build3-0ubuntu0.18.04.2UNKNOWN
ubuntu20.04noarchfirefox< 87.0+build3-0ubuntu0.20.04.2UNKNOWN
ubuntu20.10noarchfirefox< 87.0+build3-0ubuntu0.20.10.1UNKNOWN
ubuntu21.04noarchfirefox< 87.0+build3-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 87.0+build3-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 87.0+build3-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 87.0+build3-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 87.0+build3-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 87.0+build3-0ubuntu1UNKNOWN
ubuntu24.04noarchfirefox< 87.0+build3-0ubuntu1UNKNOWN
Rows per page:
1-10 of 261

Related

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altlinux 2
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suse 2
almalinux 2
ibm 2
kaspersky 3
centos 2
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mageia 2
redhat 8
mozilla 3
ubuntu 3
gentoo 2
rosalinux 2
cve
cve
CVE-2021-23987
2021-03-31 14:15:00
veracode
veracode
Arbitrary Code Execution
2021-03-25 01:22:46
prion
prion
Memory corruption
2021-03-31 14:15:00
alpinelinux
alpinelinux
CVE-2021-23987
2021-03-31 14:15:00
debiancve
debiancve
CVE-2021-23987
2021-03-31 14:15:00
redhatcve
redhatcve
CVE-2021-23987
2021-03-25 01:00:43
nessus
nessus
SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:0999-1)
2021-04-01 00:00:00
SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:1007-1)
2021-04-02 00:00:00
Mozilla Thunderbird < 78.9
2021-03-25 00:00:00
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
debian
debian
[SECURITY] [DSA 4876-1] thunderbird security update
2021-03-25 21:18:24
[SECURITY] [DSA 4874-1] firefox-esr security update
2021-03-24 18:45:08
[SECURITY] [DLA 2609-1] thunderbird security update
2021-03-26 15:33:04
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2021:14684-1)
2021-06-09 00:00:00
Mozilla Thunderbird Security Advisories (MFSA2021-10, MFSA2021-12) - Mac OS X
2021-03-26 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:1007-1)
2021-04-19 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
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: thunderbird security update
2021-03-25 11:31:46
Important: firefox security update
2021-03-25 11:30:19
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
kaspersky
kaspersky
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
centos
centos
thunderbird security update
2021-03-26 18:12:50
firefox security update
2021-03-26 18:11:51
osv
osv
firefox-esr - security update
2021-03-25 00:00:00
thunderbird - security update
2021-03-26 00:00:00
thunderbird - security update
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
redhat
redhat
(RHSA-2021:0994) Important: thunderbird security update
2021-03-25 11:32:05
(RHSA-2021:0991) Important: firefox security update
2021-03-25 11:30:55
(RHSA-2021:0989) Important: firefox security update
2021-03-25 11:30:19
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
ubuntu
ubuntu
Firefox vulnerabilities
2021-03-25 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
rosalinux
rosalinux
Advisory ROSA-SA-2021-1986
2021-07-02 18:16:55
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

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

67.3%

JSON
Related for UB:CVE-2021-23987
cve1veracode1prion1alpinelinux1debiancve1redhatcve1nessus43oraclelinux4debian4openvas25altlinux2amazon1suse2almalinux2ibm2kaspersky3centos2osv7mageia2redhat8mozilla3ubuntu3gentoo2rosalinux2