Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2021-43537

Incorrect Type Conversion or Cast

Published: Dec 08, 2021 | Modified: Nov 21, 2024
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
8.8 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-43537
CWEhttps://cwe.mitre.org/data/definitions/704.html

An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Weakness

The product does not correctly convert an object, resource, or structure from one type to a different type.

Affected Software

NameVendorStart VersionEnd Version
FirefoxMozilla*95.0 (excluding)
Firefox_esrMozilla*91.4.0 (excluding)
ThunderbirdMozilla*91.4.0 (excluding)
Red Hat Enterprise Linux 7RedHatfirefox-0:91.4.0-1.el7_9*
Red Hat Enterprise Linux 7RedHatthunderbird-0:91.4.0-3.el7_9*
Red Hat Enterprise Linux 8RedHatfirefox-0:91.4.0-1.el8_5*
Red Hat Enterprise Linux 8RedHatthunderbird-0:91.4.0-2.el8_5*
Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsRedHatfirefox-0:91.4.0-1.el8_1*
Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsRedHatthunderbird-0:91.4.0-2.el8_1*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatfirefox-0:91.4.0-1.el8_2*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatthunderbird-0:91.4.0-2.el8_2*
Red Hat Enterprise Linux 8.4 Extended Update SupportRedHatfirefox-0:91.4.0-1.el8_4*
Red Hat Enterprise Linux 8.4 Extended Update SupportRedHatthunderbird-0:91.4.0-2.el8_4*
FirefoxUbuntubionic*
FirefoxUbuntudevel*
FirefoxUbuntufocal*
FirefoxUbuntuhirsute*
FirefoxUbuntuimpish*
FirefoxUbuntujammy*
FirefoxUbuntukinetic*
FirefoxUbuntulunar*
FirefoxUbuntumantic*
FirefoxUbuntunoble*
FirefoxUbuntutrusty*
FirefoxUbuntuupstream*
FirefoxUbuntuxenial*
Firefox-esrUbuntutrusty*
Firefox-esrUbuntuupstream*
Firefox-esrUbuntuxenial*
Mozjs38Ubuntubionic*
Mozjs38Ubuntuesm-apps/bionic*
Mozjs38Ubuntuupstream*
Mozjs52Ubuntubionic*
Mozjs52Ubuntuesm-apps/focal*
Mozjs52Ubuntuesm-infra/bionic*
Mozjs52Ubuntufocal*
Mozjs52Ubuntuupstream*
Mozjs68Ubuntuesm-infra/focal*
Mozjs68Ubuntufocal*
Mozjs68Ubuntuupstream*
Mozjs78Ubuntuesm-apps/jammy*
Mozjs78Ubuntuhirsute*
Mozjs78Ubuntuimpish*
Mozjs78Ubuntujammy*
Mozjs78Ubuntukinetic*
Mozjs78Ubuntulunar*
Mozjs78Ubuntuupstream*
ThunderbirdUbuntubionic*
ThunderbirdUbuntudevel*
ThunderbirdUbuntufocal*
ThunderbirdUbuntuhirsute*
ThunderbirdUbuntuimpish*
ThunderbirdUbuntujammy*
ThunderbirdUbuntukinetic*
ThunderbirdUbuntulunar*
ThunderbirdUbuntumantic*
ThunderbirdUbuntunoble*
ThunderbirdUbuntutrusty*
ThunderbirdUbuntuupstream*
ThunderbirdUbuntuxenial*

References

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