Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Lifecycle Timeline
1Blast Radius
ecosystem impact- 1 pypi packages depend on tornado (1 direct, 0 indirect)
Ecosystem-wide dependent count for version 6.5.3.
DescriptionCVE.org
Alpine Linux: py3-tornado fixed in 6.5.4-r0
AnalysisAI
py3-tornado (the Python Tornado web framework packaged for Alpine Linux) contains a vulnerability addressed in Alpine package version 6.5.4-r0. The nature of the flaw - including its impact class, affected component, and exploitability - is not disclosed in available intelligence. The only confirmed remediation signal is the Alpine Linux vendor advisory fixing the package at version 6.5.4-r0. EPSS exploitation probability is very low at 0.03% (11th percentile), and no active exploitation or public proof-of-concept has been identified at time of analysis.
Technical ContextAI
Tornado is a Python web framework and asynchronous networking library widely used for high-concurrency applications, WebSocket servers, and non-blocking I/O services. The Alpine Linux package py3-tornado bundles the upstream Tornado library for Alpine-based systems (including Docker containers and edge deployments). The Alpine package version 6.5.4-r0 corresponds to upstream Tornado 6.5.4. No CWE is assigned, so the root cause class - whether HTTP parsing flaw, memory mismanagement, logic error, or other - cannot be determined from available data. No CPE strings were provided to further scope affected configurations.
RemediationAI
The primary fix is to upgrade the py3-tornado Alpine package to version 6.5.4-r0 or later using the Alpine package manager: 'apk upgrade py3-tornado'. This is the only confirmed remediation action from available data. No workarounds or compensating controls are documented because the vulnerability type is unknown - generic controls cannot be responsibly recommended without knowing the flaw class. For Alpine-based Docker images, rebuild using a base image that pulls py3-tornado >= 6.5.4-r0. No advisory URL beyond the Alpine Linux package repository was provided in the source data.
Same technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today
EUVD-2025-203032
GHSA-pr2v-jx2c-wg9f