---
title: "CVE-2012-2837\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-2012-2837?format=md
keywords: index, follow
---

# CVE-2012-2837

Publication date 13 July 2012

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

The mnote\_olympus\_entry\_get\_value function in olympus/mnote-olympus-entry.c
in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote
attackers to cause a denial of service (divide-by-zero error) via an image
with crafted EXIF tags that are not properly handled during the formatting
of EXIF maker note tags.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| libexif | 12.04 LTS precise | Fixed 0.6.20-2ubuntu0.1 |
| 11.10 oneiric | Fixed 0.6.20-1ubuntu0.1 |
| 11.04 natty | Fixed 0.6.20-0ubuntu1.1 |
| 10.04 LTS lucid | Fixed 0.6.19-1ubuntu0.1 |
| 8.04 LTS hardy | Fixed 0.6.16-2.1ubuntu0.2 |

---

* [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-2012-2837?format=md#patch-details)

### 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 |
| --- | --- |
| libexif | * Vendor:   <https://bugzilla.novell.com/attachment.cgi?id=498460> * Upstream:   <http://libexif.cvs.sourceforge.net/viewvc/libexif/libexif/libexif/olympus/mnote-olympus-entry.c?r1=1.54&r2=1.55&view=patch> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2837)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-2837)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-2837)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-2837)

### Related Ubuntu Security Notices (USN)

+ [USN-1513-1](https://usn.ubuntu.com/USN-1513-1)
+ libexif vulnerabilities
+ 23 July 2012

### Other references

* <http://libexif.sourceforge.net/>
* <http://seclists.org/oss-sec/2012/q3/74>
* <https://www.cve.org/CVERecord?id=CVE-2012-2837>