---
title: "CVE-2013-4237\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2013-4237?format=md
keywords: index, follow
---

# CVE-2013-4237

Publication date 9 October 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

sysdeps/posix/readdir\_r.c in the GNU C Library (aka glibc or libc6) 2.18
and earlier allows context-dependent attackers to cause a denial of service
(out-of-bounds write and crash) or possibly execute arbitrary code via a
crafted (1) NTFS or (2) CIFS image.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2013-4237?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| eglibc | 13.10 saucy | Fixed 2.17-93ubuntu2 |
| 13.04 raring | Fixed 2.17-0ubuntu5.1 |
| 12.10 quantal | Fixed 2.15-0ubuntu20.2 |
| 12.04 LTS precise | Fixed 2.15-0ubuntu10.5 |
| 10.04 LTS lucid | Fixed 2.11.1-0ubuntu7.13 |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2013-4237?format=md#patch-details)

## Notes

---

### [jdstrand](https://launchpad.net/~jdstrand)

may only affect powerpc in practice

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| eglibc | * Other:   <http://sourceware.org/ml/libc-alpha/2013-05/msg00445.html> * Upstream:   <https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91ce40854d0b7f865cf5024ef95a8026b76096f3> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4237)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-4237)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-4237)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-4237)

### Related Ubuntu Security Notices (USN)

+ [USN-1991-1](https://usn.ubuntu.com/USN-1991-1)
+ GNU C Library vulnerabilities
+ 21 October 2013

### Other references

* <http://sourceware.org/ml/libc-alpha/2013-05/msg00445.html>
* <https://www.cve.org/CVERecord?id=CVE-2013-4237>