[UPDATE] [medium] Python: Multiple vulnerabilities allow Denial of Service
A remote, anonymous attacker can exploit multiple vulnerabilities in Python to conduct a Denial of Service attack.
CSIRTS triage
- What
- Multiple vulnerabilities allow a remote, anonymous attacker to conduct a Denial of Service attack.
- Who is affected
- Deployments using Python are affected.
- Urgency
- Remediation is medium urgency as it could lead to service disruption.
- Action
- Update Python to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0426
Recent advisories for Python
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCVE-2026-68771: ComfyUI v0.23.0 contains an unsafe deserialization vulnerability in the LoadTrainingDataset no…nvd · 2026-07-31
- highCVE-2026-53501: Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC…nvd · 2026-07-31
- medium[NEW] [medium] Red Hat Enterprise Linux (python-pillow): Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-31
- high[UPDATE] [high] Red Hat Enterprise Linux (JWCrypto and python-markdown): Multiple vulnerabilities allow denial…cert-bund · 2026-07-31
- medium[UPDATE] [medium] Python: Multiple vulnerabilitiescert-bund · 2026-07-31
- unknownCVE-2026-59881: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.…nvd · 2026-07-30
More from CERT-Bund (BSI) Security Advisories
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow Denial of Service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
- medium[UPDATE] [medium] Linux Kernel (ntfs3): Vulnerability allows information disclosure2026-07-31