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CVE-2016-9933

Publication date 4 January 2017

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.

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
Fixed 2.0.36~rc1~dfsg-6ubuntu2.4
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 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-3213-1
    • GD library vulnerabilities
    • 28 February 2017

Other references