CVE-2025-8041 Incorrect URL truncation in Firefox for Android
Medium 5.3
Published
Updated
Check this codebase for CVE-2025-8041 and fix it if it is affected.
What it is: CVE-2025-8041 is a medium-severity vulnerability in Mozilla Firefox, published on 19 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8041 exists.
Affected product: Mozilla Firefox. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2025-8041/ (Markdown: https://insights.sbomify.com/CVE-2025-8041/index.md)
Firefox for Android incorrectly truncated URLs in the address bar, potentially misleading users about the true origin of a site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-8041?
CVE-2025-8041 is a medium-severity vulnerability in Mozilla Firefox, published on 19 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the address bar, Firefox for Android truncated the display of URLs from the end instead of prioritizing the origin. This vulnerability was fixed in Firefox 141.
Weakness: CWE-451
Which versions are affected by CVE-2025-8041?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2025-8041?
Upgrade to a fixed version.
Is CVE-2025-8041 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8041 exists.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-3rc5-4jr8-p23m.