CVE-2022-40899: pythoncharmers python-future Uncontrolled Resource Consumption
Vulnerability summary
CVE-2022-40899 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in pythoncharmers python-future. EPSS estimates a 1.94% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities. 2 public exploits are recorded.
Public exploit (GitHub, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 15-04-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.94%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
Increase +0.07 pp
From 1.87% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
2 foundCpython
Maturity: poc
Exploit Reference (pyup.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse16 products
- python-future&distro=SUSE Linux Enterprise Micro 5.1< 0.18.2-150300.3.3.1
- python-future&distro=SUSE Linux Enterprise Micro 5.2< 0.18.2-150300.3.3.1
- python-future&distro=SUSE Linux Enterprise Micro 5.3< 0.18.2-150300.3.3.1
- python-future&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 0.18.2-150300.3.3.1
- python-future&distro=SUSE Linux Enterprise Module for Public Cloud 12< 0.15.2-3.3.1
Opensuse3 products
- python-future&distro=openSUSE Leap 15.4< 0.18.2-150300.3.3.1
- python-future&distro=openSUSE Leap Micro 5.2< 0.18.2-150300.3.3.1
- python-future&distro=openSUSE Leap Micro 5.3< 0.18.2-150300.3.3.1
Debian1 product
- python-futureAll versions (No fix recorded)
Mageia1 product
- python-future< 0.18.3-1.mga8
PyPI1 product
- future< 0.18.3
Pythoncharmers1 product
- python-future≤ 0.18.2
Ubuntu1 product
- python-future< 0.15.2-1ubuntu0.1~esm1 | < 0.15.2-4ubuntu2.1 | < 0.18.2-2ubuntu0.1 | < 0.18.2-5ubuntu0.1
7 vendors · 24 products
References
25 links- github.com/PythonCharmers/python-future/blob/master/src/future/backports/http/cookiejar.pyWEBREPORTThird Party Advisory
- pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/EVIDENCEAdvisoryREPORTExploitVendor Advisory
