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CVE-2021-23987

Description

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.

Risk Information

Base Score
8.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.23

Associated Vulnerability

VulnerabilityOS Platform
Multiple vulnerabilities fixed in Mozilla Firefox (x64) (87.0)Windows
Multiple vulnerabilities fixed in Mozilla Firefox (87.0)Windows
Vulnerabilities CVE-2021-23981,CVE-2021-23982,CVE-2021-23984,CVE-2021-23987 are fixed in Mozilla Firefox ESR (x64) (78.9.0)Windows
Vulnerabilities CVE-2021-23981,CVE-2021-23982,CVE-2021-23984,CVE-2021-23987 are fixed in Mozilla Firefox ESR (78.9.0)Windows
Multiple Vulnerabilities are affected in Mozilla Firefox (x64) 84.0Windows
Multiple Vulnerabilities are affected in Mozilla Firefox ESR (x64) 78.6.0Windows
Multiple Vulnerabilities are affected in Mozilla Firefox ESR 78.6.0Windows
Multiple Vulnerabilities are affected in Mozilla Firefox (x64) 78.8Windows
Multiple Vulnerabilities are affected in Mozilla Firefox (x64) 86.99Windows
Multiple Vulnerabilities are affected in Mozilla_Firefox 78.8Windows
Multiple Vulnerabilities are affected in Mozilla_Firefox 86.99Windows
Multiple vulnerabilities are fixed in Mozilla Firefox For Mac (87.0)Mac
Vulnerabilities CVE-2021-23981,CVE-2021-23982,CVE-2021-23984,CVE-2021-23987 are fixed in Mozilla Thunderbird For Mac (78.9.0)Mac
Vulnerabilities CVE-2021-23981,CVE-2021-23982,CVE-2021-23984,CVE-2021-23987 are fixed in Mozilla Thunderbird For Mac (78.9.1)Mac
Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 68.0.1Mac
Multiple Vulnerabilities are affected in Firefox ESR for Mac 68.0.1Mac
Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 84.1.3Mac
Vulnerabilities CVE-2021-23981,CVE-2021-23982,CVE-2021-23984,CVE-2021-23987 are affected in Mozilla Thunderbird for Mac 78.8.1Mac
Vulnerabilities CVE-2021-23981,CVE-2021-23982,CVE-2021-23984,CVE-2021-23987 are fixed in Mozilla Firefox For Mac 78.9Mac
firefox-esr security update(DSA-4874-1) firefox-esr_78.9.0esr-1~deb10u1_i386.debLinux
firefox-esr security update(DSA-4874-1) firefox-esr_78.9.0esr-1~deb10u1_amd64.debLinux
thunderbird security update(DSA-4876-1) thunderbird_78.9.0-1~deb10u1_i386.debLinux
thunderbird security update(DSA-4876-1) thunderbird_78.9.0-1~deb10u1_amd64.debLinux
(RHSA-2021:0990) firefox security update firefox-78.9.0-1.el8_3.x86_64.rpmLinux
(RHSA-2021:0990) firefox security update firefox-debugsource-78.9.0-1.el8_3.x86_64.rpmLinux
(RHSA-2021:0992) firefox security update firefox-78.9.0-1.el7_9.i686.rpmLinux
(RHSA-2021:0992) firefox security update firefox-78.9.0-1.el7_9.x86_64.rpmLinux
(RHSA-2021:0993) thunderbird security update thunderbird-78.9.0-3.el8_3.x86_64.rpmLinux
(RHSA-2021:0993) thunderbird security update thunderbird-debugsource-78.9.0-3.el8_3.x86_64.rpmLinux
(RHSA-2021:0996) thunderbird security update thunderbird-78.9.0-3.el7_9.x86_64.rpmLinux
SUSE-SU-2021:0999-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-78.9.0-112.54.1.x86_64.rpmLinux
SUSE-SU-2021:0999-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debuginfo-78.9.0-112.54.1.x86_64.rpmLinux
SUSE-SU-2021:0999-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debugsource-78.9.0-112.54.1.x86_64.rpmLinux
SUSE-SU-2021:0999-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-devel-78.9.0-112.54.1.x86_64.rpmLinux
SUSE-SU-2021:0999-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-translations-common-78.9.0-112.54.1.x86_64.rpmLinux
Mozilla Open Source web browser (USN-4893-1) firefox_87.0+build3-0ubuntu0.16.04.2_i386.debLinux
Mozilla Open Source web browser (USN-4893-1) firefox_87.0+build3-0ubuntu0.16.04.2_amd64.debLinux
Mozilla Open Source web browser (USN-4893-1) firefox_87.0+build3-0ubuntu0.18.04.2_i386.debLinux
Mozilla Open Source web browser (USN-4893-1) firefox_87.0+build3-0ubuntu0.18.04.2_amd64.debLinux
Mozilla Open Source web browser (USN-4893-1) firefox_87.0+build3-0ubuntu0.20.04.2_amd64.debLinux
Mozilla Open Source web browser (USN-4893-1) firefox_87.0+build3-0ubuntu0.20.10.1_amd64.debLinux
Mozilla Open Source mail and newsgroup client (USN-4995-1) thunderbird_78.11.0+build1-0ubuntu0.20.04.2_amd64.debLinux
Mozilla Open Source mail and newsgroup client (USN-4995-1) thunderbird_78.11.0+build1-0ubuntu0.20.10.2_amd64.debLinux
Mozilla Open Source mail and newsgroup client (USN-4995-1) thunderbird_78.11.0+build1-0ubuntu0.21.04.2_amd64.debLinux
Mozilla Open Source mail and newsgroup client (USN-4995-2) thunderbird_78.11.0+build1-0ubuntu0.18.04.2_i386.debLinux
Mozilla Open Source mail and newsgroup client (USN-4995-2) thunderbird_78.11.0+build1-0ubuntu0.18.04.2_amd64.debLinux

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-318846Mozilla Firefox (x64) (87.0)
PATCH-318845Mozilla Firefox (87.0)
PATCH-318848Mozilla Firefox ESR (x64) (78.9.0)
PATCH-318847Mozilla Firefox ESR (78.9.0)
PATCH-317673Mozilla Firefox (x64) (84.0.1)
PATCH-607000Mozilla Firefox For Mac (124.0)
PATCH-611353Mozilla Thunderbird For Mac (128.12.0)
PATCH-611353Mozilla Thunderbird For Mac (128.12.0)
PATCH-611870Mozilla Firefox For Mac (142.0.1)
PATCH-611808Mozilla Firefox ESR for MAC 128.14.0
PATCH-611870Mozilla Firefox For Mac (142.0.1)
PATCH-611807Mozilla Thunderbird For Mac (142.0)
PATCH-612783Mozilla Firefox For Mac (145.0.1)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234