RHSA-2026:94631CriticalCVSS 8.8

Red Hat Security Advisory: GuideLLM 3.5.1

Published
November 3, 2026
Last Modified
November 11, 2026

🔗 CVE IDs covered (25)

CVE-2026-96643 →CVE-2026-96644 →CVE-2026-104851 →CVE-2026-112400 →CVE-2026-112405 →CVE-2026-112940 →CVE-2026-96640 →CVE-2026-96778 →CVE-2026-111066 →CVE-2026-112399 →CVE-2026-112402 →CVE-2026-112404 →CVE-2026-112892 →CVE-2026-112896 →CVE-2026-112391 →CVE-2026-112397 →CVE-2026-112406 →CVE-2026-112893 →CVE-2026-112894 →CVE-2026-112897 →CVE-2026-114406 →CVE-2026-111064 →CVE-2026-112390 →CVE-2026-112392 →CVE-2026-112895 →

📋 Description

CVE-2026-96640 — pillow: pillow: Denial of Service via duplicate page references in PDF files CVE-2026-96643 — pillow: pillow: Denial of Service via repeated EXIF headers CVE-2026-96644 — pillow: Pillow: Denial of Service via out-of-bounds read in metafile parser CVE-2026-96778 — pillow: pillow: Arbitrary code execution via JPEG encoder buffer overflow CVE-2026-104851 — fsspec: fsspec: arbitrary code execution via unrestricted template rendering in ReferenceFileSystem CVE-2026-111064 — aiohttp: aiohttp: Denial of Service via missing initial request timeout CVE-2026-111066 — aiohttp: aiohttp: Denial of Service via file descriptor exhaustion in multipart request processing CVE-2026-112390 — pillow: Pillow: Denial of Service via infinite loop during crafted MIC image parsing CVE-2026-112391 — pillow: Pillow: Denial of Service via unbounded recursion in PDF parser CVE-2026-112392 — pillow: pillow: Denial of Service via zero-size images in rank filters CVE-2026-112397 — pillow: pillow: Denial of Service via out-of-bounds memory access on zero-width images CVE-2026-112399 — pillow: pillow: Denial of service via crafted APNG image CVE-2026-112400 — pillow: pillow: Denial of Service via memory exhaustion from crafted GIF image CVE-2026-112402 — pillow: pillow: Denial of service via double free during image transformation CVE-2026-112404 — pillow: Pillow: Denial of Service via out-of-bounds read in TIFF decoding CVE-2026-112405 — pillow: Pillow: Denial of Service via null pointer dereference in Image.merge() CVE-2026-112406 — pillow: pillow: Denial of Service via infinite loop during PDF page rewriting CVE-2026-112892 — pillow: pillow: Denial of Service via unbounded memory expansion in MSP image decoder CVE-2026-112893 — pillow: Pillow: Denial of Service via invalid pointer free during font rendering CVE-2026-112894 — pillow: pillow: Denial of Service via crafted multi-frame image conversion CVE-2026-112895 — pillow: pillow: Denial of service via crafted PDF during append operations CVE-2026-112896 — pillow: Pillow: Denial of Service via out-of-bounds read in TIFF encoder CVE-2026-112897 — pillow: pillow: Information disclosure via uninitialized buffer in TIFF decoding CVE-2026-112940 — filelock: filelock: Arbitrary file overwrite via insecure database file reopening CVE-2026-114406 — ca-certificates: Distrust eMudhra intermediate CA certificates due to security concerns

🎯 Affected products2

  • Red Hat OpenShift AI 3.5
  • registry.redhat.io/rhai/guidellm-rhel9@sha256:6614ba1763b334c179ca5313124b4713b4d6df59564237fd8850faf19b7bfa19_amd64 as a component of Red Hat OpenShift AI 3.5

✅ Remediation

For more information visit https://access.redhat.com/errata/RHSA-2026:94631 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: --- CME Mitigation Guidance (2026-10-20) --- Disclaimer: The following mitigation solutions are provided as a courtesy, pending the application of an official patch. This content was generated utilizing AI tools in conjunction with data from https://cmetaxonomy.org. Customers are advised to independently evaluate and test these temporary mitigations within their own infrastructure. The highest-value action is to enforce initial keep-alive timeouts and first-request deadlines on newly established HTTP connections within aiohttp: upgrade to aiohttp 3.14.4 (or the fixed Ansible Automation Platform 24/Lightspeed Rhel/Rhoai/Odh Caikit Tgis Serving Rhel/Python3.11 Aiohttp/Koku/Exploit Intelligence/Vulnerability Analysis Rhel/Rhoai/Odh Trustyai Nemo Guardrails Server Rhel/Rhoai/Odh Kserve Storage Initializer Rhel/Rhoai/Odh Kserve Agent Rhel/Rhoai/Odh Kserve Controller Rhel/Rhoai/Odh Kserve Router Rhel/Rhaiis/Vllm Spyre Rhel/Rhaiis/Vllm Tpu Rhel/Cloudservices/Vulnerability Engine App/Rhoai/Odh Pipeline Runtime Datascience Cpu Py312 Rhel/Rhoai/Odh Pipeline Runtime Pytorch Cuda Py312 Rhel/Rhoai/Odh Pipeline Runtime Pytorch Rocm Py312 Rhel/Rhoai/Odh Pipeline Runtime Tensorflow Cuda Py312 Rhel/Rhoai/Odh Pipeline Runtime Tensorflow Rocm Py312 Rhel/Rhoai/Odh Workbench Jupyter Datascience Cpu Py312 Rhel/Rhoai/Odh Workbench Jupyter Pytorch Cuda Py312 Rhel/Rhoai/Odh Workbench Jupyter Pytorch Llmcompressor Cuda Py312 Rhel/Rhoai/Odh Workbench Jupyter Pytorch Rocm Py312 Rhel/Rhoai/Odh Workbench Jupyter Tensorflow Cuda Py312 Rhel/Rhoai/Odh Workbench Jupyter Tensorflow Rocm Py312 Rhel/Rhoai/Odh Workbench Jupyter Trustyai Cpu Py312 Rhel/Rhaiis/Vllm Cpu Rhel/Rhaiis/Vllm Neuron Rhel/Ansible Automation Platform 24/Controller Rhel/Ansible Automation Platform 25/Lightspeed Chatbot Rhel/Cloudservices/Insights Engine/Rhoai/Odh Ml Pipelines Runtime Generic Rhel/Rhoai/Odh Autorag Rhel/Rhoai/Odh Ta Lmes Job Rhel/Rhoai/Odh Th06 Cpu Torch291 Py312 Rhel/Rhoai/Odh Th06 Cuda130 Torch291 Py312 Rhel/Rhoai/Odh Training Cuda128 Torch29 Py312 Rhel/Rhoai/Odh Training Rocm64 Torch29 Py312 Rhel/Rhoai/Odh Vllm Gaudi Rhel/Rhai Early Access/Docling Serve Cuda Rhel/Automation Controller/Cloudservices/Floorist/Openshift Lightspeed/Lightspeed Ocp Rag Rhel/Rhoai/Odh Model Registry Job Async Upload Rhel/Rhaii/Vllm Gaudi Rhel/Rhaii/Vllm Neuron Rhel/Rhaii/Vllm Tpu Rhel/Rhoai/Odh Openvino Model Server Rhel/Rhoai/Odh Automl Rhel/Rhoai/Odh Kserve Autogluon Server Rhel/Rhoai/Odh Mlflow Rhel/Rhoai/Odh Llm D Kv Cache Rhel/Rhoai/Odh Th06 Cpu Torch210 Py312 Rhel/Rhoai/Odh Th06 Cuda130 Torch210 Py312 Rhel/Rhoai/Odh Th06 Rocm64 Torch291 Py312 Rhel/Ask Sre/Rhelai3/Bootc Gaudi Rhel/Ansible Automation Platform Tech Preview/Ee Minimal Rhel/Rhoai/Odh Training Cuda121 Torch24 Py311 Rhel/Rhoai/Odh Training Cuda124 Torch25 Py311 Rhel/Rhoai/Odh Training Cuda128 Torch28 Py312 Rhel/Rhoai/Odh Training Rocm62 Torch24 Py311 Rhel/Rhoai/Odh Training Rocm62 Torch25 Py311 Rhel/Rhoai/Odh Training Rocm64 Torch28 Py312 Rhel/Rhoai/Odh Trustyai Garak Lls Provider Dsp Rhel/Astro Virtual Assistant V/Lightspeed Core/Lightspeed Stack Rhel/Lightspeed Core/Rag Tool Cuda 12.9 Rhel/Mta/Mta Solution Server Rhel/Rhoai/Odh Feature Server Rhel/Rhoai/Odh Llama Stack Core Rhel/Rhoai/Odh Pipeline Runtime Pytorch Llmcompressor Cuda Py312 Rhel/Rhoai/Odh Mlserver Rhel/Rhai/Guidellm Rhel/Rhoai/Odh Pipeline Runtime Minimal Cpu Py312 Rhel/Rhoai/Odh Th Torch Cpu Py312 Rhel/Rhoai/Odh Th Torch Cuda Py312 Rhel/Rhoai/Odh Th Torch Rocm Py312 Rhel/Rhoai/Odh Workbench Jupyter Minimal Cpu Py312 Rhel/Rhoai/Odh Workbench Jupyter Minimal Cuda Py312 Rhel/Rhoai/Odh Workbench Jupyter Minimal Rocm Py312 Rhel/Rhaiis/Model Opt Cuda Rhel/Rhaiis/Vllm Cuda Rhel/Rhaiis/Vllm Rocm Rhel/Rhaii/Model Opt Cuda Rhel/Rhaii/Vllm Cpu Rhel/Rhaii/Vllm Cuda Rhel/Rhaii/Vllm Rocm Rhel/Rhaii/Vllm Spyre Rhel/Ansible Automation Platform 25/Controller Rhel/Ansible Automation Platform 25/Lightspeed Rhel/Ansible Automation Platform 26/Ansible Dev Tools Rhel/Ansible Automation Platform 26/Controller Rhel/Ansible Automation Platform 26/De Minimal Rhel/Ansible Automation Platform 26/De Supported Rhel/Ansible Automation Platform 26/Ee Minimal Rhel/Ansible Automation Platform 26/Ee Supported Rhel/Ansible Automation Platform 26/Hub Rhel/Ansible Automation Platform 26/Lightspeed Chatbot Rhel/Ansible Automation Platform 26/Lightspeed Rhel/Ansible Automation Platform 26/Platform Resource Runner Rhel/Ansible Automation Platform 27/Controller Rhel/Ansible Automation Platform 27/De Minimal Rhel/Ansible Automation Platform 27/De Supported Rhel/Ansible Automation Platform 27/Ee Control Plane Rhel/Ansible Automation Platform 27/Ee Minimal Rhel/Ansible Automation Platform 27/Ee Supported Rhel/Ansible Automation Platform 27/Hub Rhel/Ansible Automation Platform 27/Lightspeed Chatbot Rhel/Ansible Automation Platform 27/Lightspeed Rhel/Ansible Automation Platform 27/Platform Resource Runner Rhel/Ansible Automation Platform/Ee Minimal Rhel/Galaxy Ng/Automation Hub Container/Redhat User Workloads/Ansible Saas Ee/Ansible On Clouds/Gh Action Runner/Ansible Ai Connect Service/Insights Engine/Cloudservices/Subscription Central Automation/Google Lightspeed Agent/Lscore Deploy/Vulnerability Engine/Cloudservices/Sha Extractor/Lightspeed Core/Rag Tool Cpu Rhel/Openshift Lightspeed Tech Preview/Lightspeed Rag Tool Rhel/Openshift Lightspeed/Lightspeed Service Api Rhel/Rhoai/Odh Caikit Nlp Rhel/Rhoai/Odh Mlserver Cuda Rhel/Rhoai/Odh Workbench Codeserver Datascience Cpu Py312 Rhel/Discovery/Discovery Server Rhel/Rhelai3/Bootc Aws Cuda Rhel/Rhelai3/Bootc Azure Cuda Rhel/Rhelai3/Bootc Azure Rocm Rhel/Rhelai3/Bootc Cuda Rhel/Rhelai3/Bootc Gcp Cuda Rhel/Rhelai3/Bootc Rocm Rhel/Satellite/Iop Insights Engine Rhel/Satellite/Iop Vulnerability Engine Rhel/Python3.12 Aiohttp/Python Aiohttp/Insights Host Inventory/Aap Rag Content/Ansible Chatbot Stack/Aoc/Ee Aap Azure Sre/Ansible On Clouds/Aoc Utility/Redhat User Workloads/Release Service Utils Standalone/Lightspeed Services Ocp/Ocp Rules Rhel/App Sre/Managed Prometheus Exporter Initcontainer/App Sre/Managed Prometheus Exporter Base/Python3X Aiohttp builds), which schedule an initial keep-alive timeout check in connection_made() when keepalive_timeout is greater than zero, lower the default keepalive_timeout from 3630 to 75.0 seconds, and enforce a first-request deadline, closing all 2 injection vectors (idle TCP connections opened without sending request data, trickling partial request data before the first complete HTTP request). Until patched, this is a concern on aiohttp HTTP server deployments directly exposed to network traffic without intermediate timeout enforcement, so place aiohttp instances behind a reverse proxy that actively enforces connection read and idle timeouts before requests arrive. As a compensating measure, configure systemd WatchdogSec and automatic restart directives to monitor daemon responsiveness and restart the aiohttp service if connection exhaustion halts health checks. These controls limit blast radius and contain exploitation, but they do not fix the underlying missing initial request timeout defect — apply the upstream patch to fully remediate. Highest-impact CME: CME-906 Rate Limiting / Connection Throttling (high) Workaround: --- CME Mitigation Guidance (2026-10-20) --- Disclaimer: The following mitigation solutions are provided as a courtesy, pending the application of an official patch. This content was generated utilizing AI tools in conjunction with data from https://cmetaxonomy.org. Customers are advised to independently evaluate and test these temporary mitigations within their own infrastructure. The highest-value…

🔗 References (29)