# CVE-2011-3834: Integer overflow in n/a

> Remote attackers can execute arbitrary code via a crafted AVI file due to integer overflows in the Winamp media player.

- **Severity:** Critical 9.3 (`AV:N/AC:M/Au:N/C:C/I:C/A:C`)
- **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:** No
- **Published:** 16 Dec 2011
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-wq42-fqc8-4mqg

## What is CVE-2011-3834?

CVE-2011-3834 is a critical vulnerability in Nullsoft Winamp, published on 16 Dec 2011. 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

Multiple integer overflows in the in_avi.dll plugin in Winamp before 5.623 allow remote attackers to execute arbitrary code via an AVI file with a crafted value for (1) the number of streams or (2) the size of the RIFF INFO chunk, leading to a heap-based buffer overflow.

Weakness: CWE-189

## Which versions are affected by CVE-2011-3834?

It affects 1 product.


Products: Nullsoft Winamp.

## How do I fix CVE-2011-3834?

No fix has been published for CVE-2011-3834 yet. Limit exposure of the affected software until one is available.

## Is CVE-2011-3834 being exploited?

There is no known exploitation of CVE-2011-3834 in the wild and no public exploit code.

## Other vulnerabilities in Nullsoft Winamp

- [CVE-2011-4857](https://insights.sbomify.com/CVE-2011-4857/): Memory corruption in n/a (critical 10.0)
- [CVE-2009-0263](https://insights.sbomify.com/CVE-2009-0263/): Memory corruption in n/a (critical 10.0)
- [CVE-2004-1119](https://insights.sbomify.com/CVE-2004-1119/): Memory corruption in n/a (critical 10.0)
- [CVE-2010-2586](https://insights.sbomify.com/CVE-2010-2586/): Integer overflow in n/a (critical 9.3)
- [CVE-2010-4370](https://insights.sbomify.com/CVE-2010-4370/): Integer overflow in n/a (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2011-3834 and fix it if it is affected.

What it is: CVE-2011-3834 is a critical vulnerability in Nullsoft Winamp, published on 16 Dec 2011. 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-2011-3834 in the wild and no public exploit code.

Affected product: Nullsoft Winamp. 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-2011-3834/ (Markdown: https://insights.sbomify.com/CVE-2011-3834/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2011-3834
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-3834
- OSV: https://osv.dev/vulnerability/CVE-2011-3834

---
From sbomify Insights: https://insights.sbomify.com/CVE-2011-3834/
Summaries are generated and may contain mistakes; the official description above is the record.