# CVE-2014-9652: Memory corruption in n/a

> Remote attackers can cause a denial of service via a crafted file due to improper handling of string lengths in the file library used by PHP.

- **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:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 30 Mar 2015
- **Updated:** 6 Aug 2024
- **Also known as:** DEBIAN-CVE-2014-9652, DSA-3126-1, GHSA-4mj2-cv5h-vvmg, UBUNTU-CVE-2014-9652

## What is CVE-2014-9652?

CVE-2014-9652 is a medium-severity memory corruption vulnerability in Php Php, published on 30 Mar 2015. 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

The mconvert function in softmagic.c in file before 5.21, as used in the Fileinfo component in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5, does not properly handle a certain string-length field during a copy of a truncated version of a Pascal string, which might allow remote attackers to cause a denial of service (out-of-bounds memory access and application crash) via a crafted file.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2014-9652?

It affects 2 products.


Products: File Project File, Php Php.

## How do I fix CVE-2014-9652?

Upgrade to a fixed version.

## Is CVE-2014-9652 being exploited?

There is no known exploitation of CVE-2014-9652 in the wild and no public exploit code.

## Other vulnerabilities in Php Php

- [CVE-2017-1000249](https://insights.sbomify.com/CVE-2017-1000249/): Memory corruption in n/a (medium 5.5)
- [CVE-2014-9620](https://insights.sbomify.com/CVE-2014-9620/): Denial of service in n/a (medium 5.0)
- [CVE-2014-9621](https://insights.sbomify.com/CVE-2014-9621/): Denial of service in n/a (medium 5.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2014-9652 and fix it if it is affected.

What it is: CVE-2014-9652 is a medium-severity memory corruption vulnerability in Php Php, published on 30 Mar 2015. 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-2014-9652 in the wild and no public exploit code.

Affected product: Php Php. 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-2014-9652/ (Markdown: https://insights.sbomify.com/CVE-2014-9652/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2014-9652
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-9652
- OSV: https://osv.dev/vulnerability/CVE-2014-9652

---
From sbomify Insights: https://insights.sbomify.com/CVE-2014-9652/
Summaries are generated and may contain mistakes; the official description above is the record.