---
title: "CVE-2019-13112\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-2019-13112?format=md
keywords: index, follow
---

# CVE-2019-13112

Publication date 30 June 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**6.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-13112?format=md#impact-score)

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## Description

A PngChunk::parseChunkContent uncontrolled memory allocation in Exiv2
through 0.27.1 allows an attacker to cause a denial of service (crash due
to an std::bad\_alloc exception) via a crafted PNG image file.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-13112?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| exiv2 | 19.04 disco | Fixed 0.25-4ubuntu1.1 |
| 18.10 cosmic | Fixed 0.25-4ubuntu0.2 |
| 18.04 LTS bionic | Fixed 0.25-3.1ubuntu0.18.04.3 |
| 16.04 LTS xenial | Fixed 0.25-2.1ubuntu16.04.4 |
| 14.04 LTS trusty | 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)

## Notes

---

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

could reproduce the poc.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.5 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | None |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13112)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-13112)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-13112)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-13112)

### Related Ubuntu Security Notices (USN)

+ [USN-4056-1](https://usn.ubuntu.com/USN-4056-1)
+ Exiv2 vulnerabilities
+ 15 July 2019

### Other references

* <https://github.com/Exiv2/exiv2/issues/845>
* <https://github.com/Exiv2/exiv2/pull/846>
* <https://www.cve.org/CVERecord?id=CVE-2019-13112>