CVE-2019-1010083

Publication date 17 July 2019

Last updated 18 March 2026

Ubuntu priority

Cvss 3 Severity Score

Description

The Pallets Project Flask before 1.0 is affected by: unexpected memory usage. The impact is: denial of service. The attack vector is: crafted encoded JSON data. The fixed version is: 1. NOTE: this may overlap CVE-2018-1000656.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
flask	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.04 LTS bionic	Fixed 0.12.2-3ubuntu0.1
	16.04 LTS xenial	Fixed 0.10.1-2ubuntu0.1
	14.04 LTS trusty	Not in release

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Notes

shishirsub10

Patch included by USN-4378-1

Patch details

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

Package	Patch details
flask	Upstream: ab41422

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