Vulnerabilities
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Cryptography
CVE Vulnerabilities

CVE-2022-29916

Published: Dec 22, 2022 | Modified: Jun 17, 2026
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-29916
CWEhttps://cwe.mitre.org/data/definitions/.html

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Affected Software

NameVendorStart VersionEnd Version
FirefoxMozilla*100.0 (excluding)
Firefox_esrMozilla*91.9 (excluding)
ThunderbirdMozilla*91.9 (excluding)
Red Hat Enterprise Linux 7RedHatfirefox-0:91.9.0-1.el7_9*
Red Hat Enterprise Linux 7RedHatthunderbird-0:91.9.0-3.el7_9*
Red Hat Enterprise Linux 8RedHatfirefox-0:91.9.0-1.el8_5*
Red Hat Enterprise Linux 8RedHatthunderbird-0:91.9.0-3.el8_5*
Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsRedHatfirefox-0:91.9.0-1.el8_1*
Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsRedHatthunderbird-0:91.9.0-3.el8_1*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatfirefox-0:91.9.0-1.el8_2*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatthunderbird-0:91.9.0-3.el8_2*
Red Hat Enterprise Linux 8.4 Extended Update SupportRedHatfirefox-0:91.9.0-1.el8_4*
Red Hat Enterprise Linux 8.4 Extended Update SupportRedHatthunderbird-0:91.9.0-3.el8_4*
Red Hat Enterprise Linux 9RedHatthunderbird-0:91.9.0-3.el9_0*
Red Hat Enterprise Linux 9RedHatfirefox-0:91.9.0-1.el9_0*
FirefoxUbuntubionic*
FirefoxUbuntufocal*
FirefoxUbuntuimpish*
FirefoxUbuntutrusty*
FirefoxUbuntuupstream*
FirefoxUbuntuxenial*
Mozjs38Ubuntubionic*
Mozjs38Ubuntuesm-apps/bionic*
Mozjs38Ubuntuupstream*
Mozjs52Ubuntubionic*
Mozjs52Ubuntuesm-apps/focal*
Mozjs52Ubuntuesm-infra/bionic*
Mozjs52Ubuntufocal*
Mozjs52Ubuntuupstream*
Mozjs68Ubuntuesm-infra/focal*
Mozjs68Ubuntufocal*
Mozjs68Ubuntuupstream*
Mozjs78Ubuntuesm-apps/jammy*
Mozjs78Ubuntuimpish*
Mozjs78Ubuntujammy*
Mozjs78Ubuntukinetic*
Mozjs78Ubuntulunar*
Mozjs78Ubuntuupstream*
Mozjs91Ubuntujammy*
Mozjs91Ubuntuupstream*
ThunderbirdUbuntubionic*
ThunderbirdUbuntudevel*
ThunderbirdUbuntufocal*
ThunderbirdUbuntuimpish*
ThunderbirdUbuntujammy*
ThunderbirdUbuntukinetic*
ThunderbirdUbuntulunar*
ThunderbirdUbuntumantic*
ThunderbirdUbuntunoble*
ThunderbirdUbuntutrusty*
ThunderbirdUbuntuupstream*
ThunderbirdUbuntuxenial*

References

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