CVE-2022-40899

CVE-2022-40899 is a high-severity vulnerability in Pythoncharmers Python-future with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Description

An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious web server.

Frequently asked questions

What is CVE-2022-40899?
An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious web server.
How severe is CVE-2022-40899?
CVE-2022-40899 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-40899 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40899?
CVE-2022-40899 affects Pythoncharmers Python-future. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40899?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40899 published?
CVE-2022-40899 was published on 2022-12-23 and last updated on 2026-06-17.

References

Affected products (1)

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