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OpenAdvisories
Unscored CVE-2020-26977 EUVD-2020-19501GHSA-qx8w-qf9q-g5vp

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar dis…

Published Jan 7, 2021 · Updated Aug 4, 2024 · Assigned by mozilla

Description

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

Affected products

VendorProductAffectedFixed
Mozilla Firefox unspecified – < 84 84

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 84.0.1-r0 —
Alpine v3.23 firefox +1 84.0.1-r0 —
Alpine v3.22 firefox +1 84.0.1-r0 —
Alpine v3.21 firefox +1 84.0.1-r0 —
Alpine v3.20 firefox 84.0.1-r0 —
Show 8 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.19 firefox 84.0.1-r0 —
Alpine v3.18 firefox 84.0.1-r0 —
Alpine v3.17 firefox 84.0.1-r0 —
Alpine v3.16 firefox 84.0.1-r0 —
Alpine v3.15 firefox 84.0.1-r0 —
Alpine v3.14 firefox 84.0.1-r0 —
Alpine v3.13 firefox 84.0.1-r0 —
Alpine v3.12 firefox 84.0.1-r0 —

Advisories 2

References