Azure / Azure/azure-functions-docker

Security vulnerabilities in docker image mcr.microsoft.com/azure-functions/python:4-python3.12-appservice

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Dominant language
Dockerfile
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Forks
126
PR merge metrics
No merged PRs in 30d

Description

The latest image mcr.microsoft.com/azure-functions/python:4-python3.12-appservice@sha256:42ea731295b260ffbf3eb0d39a8b219ad8334ffa70b06cbb68e31ddfe292c0c6 has security issues.

Microsoft Defender for Cloud detects the following security vulnerabilities in the image:
Severity | CVE | Fix status | Packages type | Vendor | Installed version | Package Name | Fixed version
Critical | CVE-2025-55315 | Fix Available | Language | microsoft.aspnetcore.app.runtime.linux-x64 | 8.0.20.0 | microsoft.aspnetcore.app.runtime.linux-x64 | 8.0.21
Critical | CVE-2025-55315 | Fix Available | Language | microsoft.aspnetcore.server.kestrel.core | 2.2.0.0 | microsoft.aspnetcore.server.kestrel.core | 2.3.6
Medium | CVE-2025-8869 | Fix Available | Language | pip | 25.2.0.0 | pip | N/A
Medium | CVE-2025-55248 | Fix Available | Language | microsoft.netcore.app.runtime.linux-x64 | 8.0.20.0 | microsoft.netcore.app.runtime.linux-x64 | 8.0.21

Contributor guide

No contributing guide indexed for this repository

Research direction

No source file or test is named. Start by locating the Docker image definition or build entry point for the affected Azure Functions Python tag, then rebuild and scan the image against the listed CVEs; done means the reported vulnerabilities are no longer present or have documented fixes.

Written by the indexing model from the issue text.

Assessment

Tech stack
azure, docker, python
Domain
cloud, devops, security
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
52/100

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