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OpenAdvisories
Unscored CVE-2021-23959 EUVD-2021-10880GHSA-f3g9-x4jw-849g

An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar. Note: This …

Published Feb 26, 2021 · Updated Aug 3, 2024 · Assigned by mozilla

Description

An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar. Note: This issue only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 85.

Affected products

VendorProductAffectedFixed
Mozilla Firefox < 85 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Tumbleweed MozillaFirefox 92.0-1.2 openSUSE-SU-2024:10600-1
openSUSE Tumbleweed firefox-esr 128.5.1-1.1 openSUSE-SU-2024:14572-1
ReleasePackageFixed inAdvisory
Alpine v3.24 librewolf 85.0-r0 —
Alpine v3.23 firefox +1 85.0-r0 —
Alpine v3.22 firefox +1 85.0-r0 —
Alpine v3.21 firefox +1 85.0-r0 —
Alpine v3.20 firefox 85.0-r0 —
Show 7 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.19 firefox 85.0-r0 —
Alpine v3.18 firefox 85.0-r0 —
Alpine v3.17 firefox 85.0-r0 —
Alpine v3.16 firefox 85.0-r0 —
Alpine v3.15 firefox 85.0-r0 —
Alpine v3.14 firefox 85.0-r0 —
Alpine v3.13 firefox 85.0-r0 —

Advisories 2

References