# CVE-2010-3717: Denial of service in n/a

> Remote attackers can cause a denial of service via memory consumption by submitting long email addresses to TYPO3's email validation function.

- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:N/I:N/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 25 Oct 2010
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-w2vx-3562-3fwg

## What is CVE-2010-3717?

CVE-2010-3717 is a medium-severity denial of service vulnerability in Typo3 Typo3, published on 25 Oct 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The t3lib_div::validEmail function in TYPO3 4.2.x before 4.2.15, 4.3.x before 4.3.7, and 4.4.x before 4.4.4 does not properly restrict input to filter_var FILTER_VALIDATE_EMAIL operations in PHP, which allows remote attackers to cause a denial of service (memory consumption and application crash) via a long e-mail address string, a related issue to CVE-2010-3710.

Weakness: CWE-264

## Which versions are affected by CVE-2010-3717?

It affects 1 product.


Products: Typo3 Typo3.

## How do I fix CVE-2010-3717?

Upgrade to a fixed version.

## Is CVE-2010-3717 being exploited?

There is no known exploitation of CVE-2010-3717 in the wild and no public exploit code.

## Other vulnerabilities in Typo3 Typo3

- [CVE-2009-0258](https://insights.sbomify.com/CVE-2009-0258/): Indexed Search Engine for TYPO3 Command Execution via Metacharacter Injection (critical 10.0)
- [CVE-2011-3583](https://insights.sbomify.com/CVE-2011-3583/): Typo3 SQL injection due to faulty prepared statements (critical 9.8)
- [CVE-2011-4628](https://insights.sbomify.com/CVE-2011-4628/): Typo3 Authentication Bypass (critical 9.8)
- [CVE-2023-24814](https://insights.sbomify.com/CVE-2023-24814/): Persisted Cross-Site Scripting in Frontend Rendering in typo3 (high 8.8)
- [CVE-2021-41113](https://insights.sbomify.com/CVE-2021-41113/): Cross-Site-Request-Forgery in Backend URI Handling in Typo3 (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2010-3717 and fix it if it is affected.

What it is: CVE-2010-3717 is a medium-severity denial of service vulnerability in Typo3 Typo3, published on 25 Oct 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2010-3717 in the wild and no public exploit code.

Affected product: Typo3 Typo3. 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-2010-3717/ (Markdown: https://insights.sbomify.com/CVE-2010-3717/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2010-3717
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2010-3717
- OSV: https://osv.dev/vulnerability/CVE-2010-3717

---
From sbomify Insights: https://insights.sbomify.com/CVE-2010-3717/
Summaries are generated and may contain mistakes; the official description above is the record.