---
title: "CVE-2019-9638\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-2019-9638?format=md
keywords: index, follow
---

# CVE-2019-9638

Publication date 8 March 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2019-9638?format=md#impact-score)

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## Description

An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x
before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in
exif\_process\_IFD\_in\_MAKERNOTE because of mishandling the maker\_note->offset
relationship to value\_len.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| php5 | 19.04 disco | Not in release |
| 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Fixed 5.5.9+dfsg-1ubuntu4.29 |
| php7.0 | 19.04 disco | Not in release |
| 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Fixed 7.0.33-0ubuntu0.16.04.3 |
| 14.04 LTS trusty | Not in release |
| php7.2 | 19.04 disco | Fixed 7.2.15-0ubuntu3 |
| 18.10 cosmic | Fixed 7.2.15-0ubuntu0.18.10.2 |
| 18.04 LTS bionic | Fixed 7.2.15-0ubuntu0.18.04.2 |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| php7.3 | 19.04 disco | Not in release |
| 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2019-9638?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 |
| --- | --- |
| php7.2 | * Upstream:   <http://git.php.net/?p=php-src.git;a=commit;h=b82437eeddadf6a3a8c0f492acb6861682cd4d93> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9638)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-9638)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-9638)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-9638)

### Related Ubuntu Security Notices (USN)

+ [USN-3922-2](https://usn.ubuntu.com/USN-3922-2)
+ PHP vulnerabilities
+ 23 April 2019

+ [USN-3922-3](https://usn.ubuntu.com/USN-3922-3)
+ PHP vulnerabilities
+ 25 April 2019

+ [USN-3922-1](https://usn.ubuntu.com/USN-3922-1)
+ PHP vulnerabilities
+ 26 March 2019

### Other references

* <https://www.debian.org/security/2019/dsa-4403>
* <https://www.cve.org/CVERecord?id=CVE-2019-9638>