---
title: "CVE-2015-4472\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-2015-4472?format=md
keywords: index, follow
---

# CVE-2015-4472

Publication date 11 June 2015

Last updated 1 October 2025

---

Ubuntu priority

**Medium**

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

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## Description

Off-by-one error in the READ\_ENCINT macro in chmd.c in libmspack before 0.5
allows remote attackers to cause a denial of service (application crash) or
possibly have unspecified other impact via a crafted CHM file.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| libmspack | 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 19.04 disco | Not affected |
| 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Fixed 0.4-1ubuntu0.1~esm2  Ubuntu Pro |
| 12.04 LTS precise | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

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## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4472)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-4472)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-4472)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-4472)

### Related Ubuntu Security Notices (USN)

+ [USN-7788-1](https://usn.ubuntu.com/USN-7788-1)
+ libmspack vulnerabilities
+ 1 October 2025

### Other references

* <http://www.openwall.com/lists/oss-security/2015/02/03/11>
* <https://bugs.debian.org/775687>
* <http://openwall.com/lists/oss-security/2015/02/03/11>
* <https://www.cve.org/CVERecord?id=CVE-2015-4472>