CVE-2019-17626

Publication date 16 October 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

ReportLab through 3.5.26 allows remote code execution because of toColor(eval(arg)) in colors.py, as demonstrated by a crafted XML document with '<span color="' followed by arbitrary Python code.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-reportlab	19.10 eoan	Fixed 3.5.23-1ubuntu0.1
	19.04 disco	Ignored end of life
	18.04 LTS bionic	Fixed 3.4.0-3ubuntu0.1
	16.04 LTS xenial	Fixed 3.3.0-1ubuntu0.1
	14.04 LTS trusty	Not in release

Notes

leosilva

the first commit in the bug, according to the comments doesn't fix the bug, also it breaks some tests.

mdeslaur

the second commit uses a significant amount of code and may not be licensed correctly. See comment from Marek Kasik for minimal patch from Red Hat.

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

References

Related Ubuntu Security Notices (USN)

USN-4273-1
ReportLab vulnerability
6 February 2020