# CVE-2023-29546: Information disclosure in Firefox for Android

> Firefox for Android leaks sensitive browsing data via visible address bar and keyboard during screen recording in Private Browsing mode.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 19 Jun 2023
- **Updated:** 11 Dec 2024
- **Also known as:** GHSA-rh4w-355m-vr23, UBUNTU-CVE-2023-29546

## What is CVE-2023-29546?

CVE-2023-29546 is a medium-severity vulnerability in Mozilla Firefox Mobile, published on 19 Jun 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

When recording the screen while in Private Browsing on Firefox for Android the address bar and keyboard were not hidden, potentially leaking sensitive information. 

*This bug only affects Firefox for Android. Other operating systems are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

## Which versions are affected by CVE-2023-29546?

It affects 2 products.


Products: Mozilla Firefox Focus, Mozilla Firefox Mobile.

## How do I fix CVE-2023-29546?

Upgrade to a fixed version.

## Is CVE-2023-29546 being exploited?

There is no known exploitation of CVE-2023-29546 in the wild and no public exploit code.

## Other vulnerabilities in Mozilla Firefox Mobile

- [CVE-2024-10474](https://insights.sbomify.com/CVE-2024-10474/): Security feature bypass in Focus for iOS (critical 9.1)
- [CVE-2023-29534](https://insights.sbomify.com/CVE-2023-29534/): Security feature bypass in Firefox for Android (critical 9.1)
- [CVE-2024-1563](https://insights.sbomify.com/CVE-2024-1563/): Race condition in Focus for iOS (high 8.1)
- [CVE-2024-0605](https://insights.sbomify.com/CVE-2024-0605/): Race condition in Focus for iOS (high 7.5)
- [CVE-2023-25743](https://insights.sbomify.com/CVE-2023-25743/): Security feature bypass in Firefox (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-29546 and fix it if it is affected.

What it is: CVE-2023-29546 is a medium-severity vulnerability in Mozilla Firefox Mobile, published on 19 Jun 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-29546 in the wild and no public exploit code.

Affected product: Mozilla Firefox Mobile. 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-2023-29546/ (Markdown: https://insights.sbomify.com/CVE-2023-29546/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-29546
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-29546
- OSV: https://osv.dev/vulnerability/CVE-2023-29546

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-29546/
Summaries are generated and may contain mistakes; the official description above is the record.