idna vulnerability

2024-05-2100:00:00

ubuntu.com

ubuntu

22.04 lts

20.04 lts

18.04 esm

16.04 esm

python idna2008

resource consumption

denial of service

unix

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

17.3%

JSON

Releases

Ubuntu 24.04 LTS
Ubuntu 23.10
Ubuntu 22.04 LTS
Ubuntu 20.04 LTS
Ubuntu 18.04 ESM
Ubuntu 16.04 ESM

Packages

python-idna - Python IDNA2008 (RFC 5891) handling

Details

Guido Vranken discovered that idna did not properly manage certain inputs,
which could lead to significant resource consumption. An attacker could
possibly use this issue to cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu24.04noarchpython3-idna< 3.6-2ubuntu0.1UNKNOWN
Ubuntu23.10noarchpython3-idna< 3.3-2ubuntu0.1UNKNOWN
Ubuntu22.04noarchpython3-idna< 3.3-1ubuntu0.1UNKNOWN
Ubuntu20.04noarchpython-idna< 2.8-1ubuntu0.1UNKNOWN
Ubuntu20.04noarchpython3-idna< 2.8-1ubuntu0.1UNKNOWN
Ubuntu18.04noarchpypy-idna< 2.6-1ubuntu0.1~esm1UNKNOWN
Ubuntu18.04noarchpypy-idna< 2.6-1UNKNOWN
Ubuntu18.04noarchpython-idna< 2.6-1UNKNOWN
Ubuntu18.04noarchpython3-idna< 2.6-1UNKNOWN
Ubuntu18.04noarchpython-idna< 2.6-1ubuntu0.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	24.04	noarch	python3-idna	< 3.6-2ubuntu0.1	UNKNOWN
Ubuntu	23.10	noarch	python3-idna	< 3.3-2ubuntu0.1	UNKNOWN
Ubuntu	22.04	noarch	python3-idna	< 3.3-1ubuntu0.1	UNKNOWN
Ubuntu	20.04	noarch	python-idna	< 2.8-1ubuntu0.1	UNKNOWN
Ubuntu	20.04	noarch	python3-idna	< 2.8-1ubuntu0.1	UNKNOWN
Ubuntu	18.04	noarch	pypy-idna	< 2.6-1ubuntu0.1~esm1	UNKNOWN
Ubuntu	18.04	noarch	pypy-idna	< 2.6-1	UNKNOWN
Ubuntu	18.04	noarch	python-idna	< 2.6-1	UNKNOWN
Ubuntu	18.04	noarch	python3-idna	< 2.6-1	UNKNOWN
Ubuntu	18.04	noarch	python-idna	< 2.6-1ubuntu0.1~esm1	UNKNOWN