CVE-2017-6362

Publication date 1 September 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors.

Read the notes from the security team

Status

Package Ubuntu Release Status
libgd2 17.04 zesty
Fixed 2.2.4-2ubuntu0.3
16.04 LTS xenial
Fixed 2.1.1-4ubuntu0.16.04.8
14.04 LTS trusty
Fixed 2.1.0-3ubuntu0.8
php5 17.04 zesty Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Not affected
php7.0 17.04 zesty
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
php7.1 17.04 zesty Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

mdeslaur

php uses the system libgd2

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3410-2
    • GD library vulnerability
    • 5 September 2017
    • USN-3410-1
    • GD library vulnerability
    • 5 September 2017

Other references

Access our resources on patching vulnerabilities