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CVE-2022-40899

20
FAUCET Score

CVE-2022-40899 is a denial-of-service vulnerability affecting Python Charmers Future versions 0.18.2 and earlier. A remote attacker can trigger this by sending a crafted Set-Cookie header from a malicious web server. Rated 7.5 HIGH, this vulnerability requires no user interaction and has a low attack complexity, leading to a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.18.2CPE matchmatch criteria
cpe:2.3:a:pythoncharmers:python-future:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.80%
Probability of exploitation in next 30 days
EPSS Percentile
76.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0180 is in the 59th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

github_advisorypatch availablevia nvd_reference
View patch
jfrogpatch availablevia llm_extracted
Fixed in: ['9.0.8', '9.1.3']
pippatch availablevia ghsa
Product: futureFixed in: 0.18.3
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.14 for RHEL 8Fixed in: python-future-0:0.18.3-1.el8pc
View patch
redhatpatch availablevia redhat_api
Product: RHUI 4 for RHEL 8Fixed in: python-future-0:0.18.3-1.0.1.el8ui
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.13 for RHEL 8Fixed in: python-future-0:0.18.3-1.el8pc
View patch
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: future
redhatno patchvia redhat_api
Product: Red Hat Satellite 6Fixed in: future
redhatno patchvia redhat_api
Product: Red Hat Satellite 6Fixed in: tfm-pulpcore-python-future
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: future
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-futures

Vendor Advisories (3)

jfrogllm-jfrog-422f13529c4dd90eHIGH

Third-Party Package Updates in Splunk Enterprise - January 2024

Jan 22, 2024
pipGHSA-v3c5-jqr6-7qm8high

Python Charmers Future denial of service vulnerability

Dec 23, 2022
redhatCVE-2022-40899Moderate

python-future: remote attackers can cause denial of service via crafted Set-Cookie header from malicious web server

Dec 21, 2022

References

github.com / PythonCharmers/python-future/blob/master/src/future/backports/http/cookiejar.py
Third Party Advisory
github.com / PythonCharmers/python-future/pull/610
Issue TrackingPatchThird Party Advisory
github.com / python/cpython/pull/17157
ExploitPatchThird Party Advisory
pypi.org / project/future
ProductThird Party Advisory
pyup.io / posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages
ExploitVendor Advisory