CVE-2020-26975

medium

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

5.5

Description

When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This was resolved by only allowing certain safe-listed headers. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-26975

OS impact

OS	Version	Status	Fixed in
arch		fixed	`84.0-1`
debian	sid	fixed	`0`

References

https://security-tracker.debian.org/tracker/CVE-2020-26975

Verify integrity in audit chain (admin only). AS-IS.