# CVE-2014-3479: Denial of service in n/a

> Remote attackers can cause a denial of service via a crafted CDF file due to incorrect sector-size data handling in the file library.

- **Severity:** Medium 4.3 (`AV:N/AC:M/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:** 9 Jul 2014
- **Updated:** 6 Aug 2024
- **Also known as:** DEBIAN-CVE-2014-3479, GHSA-6wwp-p7c5-p9pm, UBUNTU-CVE-2014-3479

## What is CVE-2014-3479?

CVE-2014-3479 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 9 Jul 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The cdf_check_stream_offset function in cdf.c in file before 5.19, as used in the Fileinfo component in PHP before 5.4.30 and 5.5.x before 5.5.14, relies on incorrect sector-size data, which allows remote attackers to cause a denial of service (application crash) via a crafted stream offset in a CDF file.

## Which versions are affected by CVE-2014-3479?

It affects 5 products.


Products: Debian Debian Linux, File Project File, Opensuse Opensuse, Oracle Linux, Php Php.

## How do I fix CVE-2014-3479?

Upgrade to a fixed version.

## Is CVE-2014-3479 being exploited?

There is no known exploitation of CVE-2014-3479 in the wild and no public exploit code.

## Other vulnerabilities in Debian Debian Linux

- [CVE-2015-3306](https://insights.sbomify.com/CVE-2015-3306/): ProFTPD Improper Access Control (critical 10.0, exploited in the wild)
- [CVE-2025-49113](https://insights.sbomify.com/CVE-2025-49113/): RoundCube Webmail Deserialization of Untrusted Data (critical 9.9, exploited in the wild)
- [CVE-2026-24061](https://insights.sbomify.com/CVE-2026-24061/): GNU InetUtils Argument Injection (critical 9.8, exploited in the wild)
- [CVE-2025-39682](https://insights.sbomify.com/CVE-2025-39682/): Linux Kernel Improper Check for Unusual or Exceptional Conditions (critical 9.8, exploited in the wild)
- [CVE-2024-9680](https://insights.sbomify.com/CVE-2024-9680/): Mozilla Firefox Use-After-Free (critical 9.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2014-3479 and fix it if it is affected.

What it is: CVE-2014-3479 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 9 Jul 2014. 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-2014-3479 in the wild and no public exploit code.

Affected product: Debian Debian Linux. 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-2014-3479/ (Markdown: https://insights.sbomify.com/CVE-2014-3479/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2014-3479
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-3479
- OSV: https://osv.dev/vulnerability/CVE-2014-3479

---
From sbomify Insights: https://insights.sbomify.com/CVE-2014-3479/
Summaries are generated and may contain mistakes; the official description above is the record.