CVE-2024-7592

Description

There is a LOW severity vulnerability affecting CPython, specifically the 'http.cookies' standard library module. When parsing cookies that contained backslashes for quoted characters in the cookie value, the parser would use an algorithm with quadratic complexity, resulting in excess CPU resources being used while parsing the value.

Why is this CVE low priority?

Per upstream developers, this is a low severity issue

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python2.7	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Fixed in 2.7.18-13ubuntu1.2+esm2
	20.04 LTS focal	Fixed in 2.7.18-1~20.04.4+esm2
	18.04 LTS bionic	Fixed in 2.7.17-1~18.04ubuntu1.13+esm5
	16.04 LTS xenial	Fixed in 2.7.12-1ubuntu0~16.04.18+esm10
	14.04 LTS trusty	Fixed in 2.7.6-8ubuntu0.6+esm20
python3.4	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	14.04 LTS trusty	Needs evaluation
python3.5	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	16.04 LTS xenial	Fixed in 3.5.2-2ubuntu0~16.04.13+esm14
	14.04 LTS trusty	Fixed in 3.5.2-2ubuntu0~16.04.4~14.04.1+esm3
python3.6	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Needs evaluation
python3.7	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Needs evaluation
python3.8	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Fixed in 3.8.10-0ubuntu1~20.04.12
	18.04 LTS bionic	Needs evaluation
python3.9	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Needs evaluation
python3.10	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Fixed in 3.10.12-1~22.04.6
	20.04 LTS focal	Not in release
python3.11	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Needs evaluation
	20.04 LTS focal	Not in release
python3.12	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not affected
	24.04 LTS noble	Fixed in 3.12.3-1ubuntu0.2
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
python3.13	26.10 stonking	Not in release
	26.04 LTS resolute	Not in release
	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release

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Patch details

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

Package	Patch details
python3.8	Upstream: a77ab24
python3.9	Upstream: d662e2d
python3.10	Upstream: b2f11ca
python3.11	Upstream: d4ac921
python3.12	Upstream: dcc3eae
python3.13	Upstream: 391e562

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

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-7015-1
Python vulnerabilities
16 September 2024

USN-7015-2
Python vulnerabilities
19 September 2024

Cvss 3 Severity Score