Live › vulnerability › CVE-2022-26485
Go to dashboardMozilla Firefox has a use-after-free bug in its XSLT parameter processing. An attacker who gets a user to load a crafted page can run arbitrary code in the browser.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Mozilla Firefox | vendor | – | – |
Open Help > About Firefox and compare the version to the fixed release in Mozilla's advisory; unknown whether the sources list a specific version.
Update Firefox to the latest release per Mozilla's advisory; the exact fixed version is unknown from these sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.
This page as .md · .json · in your agent: get_signal("CVE-2022-26485")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.