---
title: "CVE-2015-8836\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-2015-8836?format=md
keywords: index, follow
---

# CVE-2015-8836

Publication date 30 March 2016

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.3 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2015-8836?format=md#impact-score)

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## Description

Integer overflow in the isofs\_real\_read\_zf function in isofs.c in FuseISO
20070708 might allow remote attackers to cause a denial of service
(application crash) or possibly have unspecified other impact via a large
ZF block size in an ISO file, leading to a heap-based buffer overflow.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| fuseiso | 16.04 LTS xenial | Not affected |
| 15.10 wily | Ignored end of life |
| 14.04 LTS trusty | Fixed 20070708-3+deb7u1ubuntu14.04.1 |
| 12.04 LTS precise | Fixed 20070708-2+deb6u1build0.12.04.1 |

---

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

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.3 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.3 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8836)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-8836)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-8836)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-8836)

### Other references

* <https://bugzilla.redhat.com/show_bug.cgi?id=863102>
* <http://www.openwall.com/lists/oss-security/2015/02/06/7>
* <https://bugzilla.redhat.com/show_bug.cgi?id=861358>
* <http://www.openwall.com/lists/oss-security/2015/02/23/9>
* <https://www.cve.org/CVERecord?id=CVE-2015-8836>