CVE-2016-9933

Publication date 4 January 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

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	Upstream: 77f619d

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