# CVE-2004-2657: Information disclosure in n/a

> Local users sharing a Windows profile can view residual Firefox activity records, such as never-saved passwords, after the application is uninstalled and reinstalled.

- **Severity:** Low 1.7 (`AV:L/AC:L/Au:S/C:P/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Apr 2006
- **Updated:** 8 Aug 2024
- **Also known as:** GHSA-qgjc-6844-xqv9

## What is CVE-2004-2657?

CVE-2004-2657 is a low-severity vulnerability in Mozilla Firefox, published on 20 Apr 2006. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Mozilla Firefox 1.5.0.1, and possibly other versions, preserves some records of user activity even after uninstalling, which allows local users who share a Windows profile to view the records after a new installation of Firefox, as reported for the list of Passwords Never Saved web sites.  NOTE: The vendor has disputed this issue, stating that "The uninstaller is primarily there to uninstall the application. It is not there to uninstall user data. For the moment I will stick by my module-owner decision.

## Which versions are affected by CVE-2004-2657?

It affects 1 product.


Products: Mozilla Firefox.

## How do I fix CVE-2004-2657?

No fix has been published for CVE-2004-2657 yet. Limit exposure of the affected software until one is available.

## Is CVE-2004-2657 being exploited?

There is no known exploitation of CVE-2004-2657 in the wild and no public exploit code.

## Other vulnerabilities in Mozilla Firefox

- [CVE-2019-11708](https://insights.sbomify.com/CVE-2019-11708/): Mozilla Firefox and Thunderbird Sandbox Escape (critical 10.0, exploited in the wild)
- [CVE-2010-3765](https://insights.sbomify.com/CVE-2010-3765/): Mozilla Multiple Products Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2022-26486](https://insights.sbomify.com/CVE-2022-26486/): Mozilla Firefox Use-After-Free (critical 9.6, exploited in the wild)
- [CVE-2022-26485](https://insights.sbomify.com/CVE-2022-26485/): Mozilla Firefox Use-After-Free (high 8.8, exploited in the wild)
- [CVE-2019-11707](https://insights.sbomify.com/CVE-2019-11707/): Mozilla Firefox and Thunderbird Type Confusion (high 8.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2004-2657 and fix it if it is affected.

What it is: CVE-2004-2657 is a low-severity vulnerability in Mozilla Firefox, published on 20 Apr 2006. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2004-2657 in the wild and no public exploit code.

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-2004-2657/ (Markdown: https://insights.sbomify.com/CVE-2004-2657/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2004-2657
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2004-2657
- OSV: https://osv.dev/vulnerability/CVE-2004-2657

---
From sbomify Insights: https://insights.sbomify.com/CVE-2004-2657/
Summaries are generated and may contain mistakes; the official description above is the record.