CVE-2021-40145

** DISPUTED ** gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes."

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libgd2	22.04 LTS jammy	Fixed 2.3.0-2ubuntu1
	21.10 impish	Fixed 2.3.0-2ubuntu1
	21.04 hirsute	Fixed 2.3.0-2ubuntu0.1
	20.04 LTS focal	Fixed 2.2.5-5.2ubuntu2.1
	18.04 LTS bionic	Fixed 2.2.5-4ubuntu0.5
	16.04 LTS xenial	Fixed 2.1.1-4ubuntu0.16.04.12+esm1 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.1.0-3ubuntu0.11+esm2 Ubuntu Pro
php5	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not affected
php7.0	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
php7.2	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
php7.3	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

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

References

Related Ubuntu Security Notices (USN)

USN-5068-1
GD library vulnerabilities
8 September 2021