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CVE-2016-6912

Publication date 26 January 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values.

Read the notes from the security team

Status

Package Ubuntu Release Status
libgd2 16.10 yakkety
Fixed 2.2.1-1ubuntu3.3
16.04 LTS xenial
Fixed 2.1.1-4ubuntu0.16.04.6
14.04 LTS trusty
Fixed 2.1.0-3ubuntu0.6
12.04 LTS precise
Not affected
php5 16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Not affected
12.04 LTS precise
Not affected
php7.0 16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Notes

mdeslaur

php uses the system libgd2

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libgd2

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3213-1
    • GD library vulnerabilities
    • 28 February 2017

Other references