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CVE-2026-112901

MEDIUM 6.9

Published 2026-10-19 · Last modified 2026-10-20

Pillow is a Python imaging library. Prior to 13.0.0, Pillow's XBM header parser is vulnerable to regular-expression denial of service. In XbmImageFile._open, when an application calls Image.open() on a small crafted XBM file, XbmImagePlugin applies a backtracking expression to the attacker-controlled header before image dimensions are accepted, stalling a worker for minutes and denying service. This issue is fixed in version 13.0.0.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 36th percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

6.9CVSS 4.0 · MEDIUM

  • ConfidentialityNone
  • IntegrityNone
  • AvailabilityLow

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable
  • ✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Python Pillow

Products Pillow

Weakness (CWE)

  • CWE-1333: : Inefficient Regular Expression Complexity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

References and research data (JSON)

Packages and version ranges

Each advisory describes its own package and affected ranges. A boundary applies to that range; it is not a universal upgrade recommendation.

  • pillow PyPI

    pkg:pypi/pillow

    ECOSYSTEM range
    • All earlier versions (introduced 0)
    • Fixed boundary (excluded): 13.0.0
    107 explicitly listed affected versions

    1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.7.5, 1.7.6, 1.7.7, 1.7.8, 10.0.0, 10.0.1, 10.1.0, 10.2.0, 10.3.0, 10.4.0, 11.0.0, 11.1.0, 11.2.1, 11.3.0, 12.0.0, 12.1.0, 12.1.1, 12.2.0, 12.3.0, 2.0.0, 2.1.0, 2.2.0, 2.2.1, 2.2.2, 2.3.0, 2.3.1, 2.3.2, 2.4.0, 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.6.0, 2.6.1, 2.6.2, 2.7.0, 2.8.0, 2.8.1, 2.8.2, 2.9.0, 3.0.0, 3.1.0, 3.1.0.rc1, 3.1.0rc1, 3.1.1, 3.1.2, 3.2.0, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.4.0, 3.4.1, 3.4.2, 4.0.0, 4.1.0, 4.1.1, 4.2.0, 4.2.1, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.3.0, 5.4.0, 5.4.0.dev0, 5.4.1, 6.0.0, 6.1.0, 6.2.0, 6.2.1, 6.2.2, 7.0.0, 7.1.0, 7.1.1, 7.1.2, 7.2.0, 8.0.0, 8.0.1, 8.1.0, 8.1.1, 8.1.2, 8.2.0, 8.3.0, 8.3.1, 8.3.2, 8.4.0, 9.0.0, 9.0.1, 9.1.0, 9.1.1, 9.2.0, 9.3.0, 9.4.0, 9.5.0

    Additional upstream package constraints
    {
  "database": {
    "last_known_affected_version_range": "<= 12.3.0",
    "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-xgh8-jp6q-p5x8/GHSA-xgh8-jp6q-p5x8.json"
  }
}
    GitHub Advisory Database · GHSA-xgh8-jp6q-p5x8 · Updated 2026-10-26T08:56:08.965718404Z

Vendor product assessments

Showing 32 of 94 vendor product statements; 62 omitted. Read the full vendor advisory.

  • exploit-intelligence/vulnerability-analysis-rhel9 as a component of Exploit Intelligence · known affected

    Vendor assessment for this product only.

    pkg:oci/vulnerability-analysis-rhel9@sha256:64fb01357ccdad3fde5b4448664a57967117e94418a26c6d8022fb4a7f31a4de?repository_url=registry.redhat.io/exploit-intelligence/vulnerability-analysis-rhel9

    • no fix planned: Out of support scope
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • lightspeed-core/rag-tool-cuda-12.9-rhel9 as a component of Lightspeed Core · known affected

    Vendor assessment for this product only.

    pkg:oci/rag-tool-cuda-12.9-rhel9@sha256:debaa9576c814467958eca6fe0fe83567616dd6888b66bd1c3a827487b54eae8?repository_url=registry.redhat.io/lightspeed-core/rag-tool-cuda-12.9-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • openshift-lightspeed/lightspeed-service-api-rhel9 as a component of OpenShift Lightspeed · known affected

    Vendor assessment for this product only.

    pkg:oci/lightspeed-service-api-rhel9@sha256:549741e9fd7be35beae7dadcc53fa67c49c71729ee6e2d78f3d91f01c5862e08?repository_url=registry.redhat.io/openshift-lightspeed/lightspeed-service-api-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhaii/vllm-cuda-rhel9 as a component of Red Hat AI Inference Server · known affected

    Vendor assessment for this product only.

    pkg:oci/vllm-cuda-rhel9@sha256:6fd99a17c8a03562b2a003077ef51bb32d92dbe6c255bf8126ce933230715bb8?repository_url=registry.redhat.io/rhaii/vllm-cuda-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhaii/vllm-rocm-rhel9 as a component of Red Hat AI Inference Server · known affected

    Vendor assessment for this product only.

    pkg:oci/vllm-rocm-rhel9@sha256:7b64ac6e235a073d437c3da172c537347c7b54092c09d4ca11594b52ddbd1852?repository_url=registry.redhat.io/rhaii/vllm-rocm-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhaiis/model-opt-cuda-rhel9 as a component of Red Hat AI Inference Server · known affected

    Vendor assessment for this product only.

    pkg:oci/model-opt-cuda-rhel9@sha256:5c5749e9e04d2a0b88525c1e78145f27ce80f018855da5bae09cb2cd97536072?repository_url=registry.redhat.io/rhaiis/model-opt-cuda-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhaiis/vllm-neuron-rhel9 as a component of Red Hat AI Inference Server · known affected

    Vendor assessment for this product only.

    pkg:oci/vllm-neuron-rhel9@sha256:8ba72cec5d79b1a751eb09774c81fd6181b43ec69a2e5116982661b34366874d?repository_url=registry.redhat.io/rhaiis/vllm-neuron-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhaiis/vllm-tpu-rhel9 as a component of Red Hat AI Inference Server · known affected

    Vendor assessment for this product only.

    pkg:oci/vllm-tpu-rhel9@sha256:b1c12112a1e8a298645e10d34d44c9961a6121aa8d87fc5d65ad83e1ffa3c586?repository_url=registry.redhat.io/rhaiis/vllm-tpu-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • ansible-automation-platform-26/lightspeed-chatbot-rhel9 as a component of Red Hat Ansible Automation Platform 2 · known affected

    Vendor assessment for this product only.

    pkg:oci/lightspeed-chatbot-rhel9@sha256:23b5653f7193bc6d31e62006eb26a443d082a956f5de30a296cf016acead2307?repository_url=registry.redhat.io/ansible-automation-platform-26/lightspeed-chatbot-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • ansible-automation-platform/automation-dashboard-rhel9 as a component of Red Hat Ansible Automation Platform 2 · known affected

    Vendor assessment for this product only.

    pkg:oci/automation-dashboard-rhel9@sha256:3971cc95bbedd16996776c4aadfaeac576ef3b0ad212825a4035fb40849b2bc4?repository_url=registry.redhat.io/ansible-automation-platform/automation-dashboard-rhel9

    • no fix planned: Out of support scope
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • python3.12-pillow.src as a component of Red Hat Ansible Automation Platform 2 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • python3-pillow as a component of Red Hat Enterprise Linux 8 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/python3-pillow

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • python3-pillow-tk as a component of Red Hat Enterprise Linux 8 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/python3-pillow-tk

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhelai3/bootc-azure-rocm-rhel9 as a component of Red Hat Enterprise Linux AI (RHEL AI) 3 · known affected

    Vendor assessment for this product only.

    pkg:oci/bootc-azure-rocm-rhel9@sha256:87723c21f48eb371968e2d68346953f2a03a3cf643a967801b84696ee3e1f1e8?repository_url=registry.redhat.io/rhelai3/bootc-azure-rocm-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhelai3/bootc-gcp-cuda-rhel9 as a component of Red Hat Enterprise Linux AI (RHEL AI) 3 · known affected

    Vendor assessment for this product only.

    pkg:oci/bootc-gcp-cuda-rhel9@sha256:c1a193fa047eedbbf52be0b1d0f5d52e3e572d144a871f7c9322a34ba5abd92f?repository_url=registry.redhat.io/rhelai3/bootc-gcp-cuda-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • lightspeed-services-ocp/ocp-rules-rhel9 as a component of Red Hat Lightspeed Services for OCP · known affected

    Vendor assessment for this product only.

    pkg:oci/ocp-rules-rhel9@sha256:eef3777c32b7024321b6270986c38e45feed54039bbe20f3fdfb0d272b086d2e?repository_url=registry.redhat.io/lightspeed-services-ocp/ocp-rules-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhai/guidellm-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/guidellm-rhel9@sha256:1021f45f649c8ce88799bada572bfa8d2295bca8eeb811cfc1218ef2004f4f02?repository_url=registry.redhat.io/rhai/guidellm-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-caikit-tgis-serving-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-caikit-tgis-serving-rhel9@sha256:308080b253a1935f47fd758a182588b77543b95740f94a4fcd491dd451d04ced?repository_url=registry.redhat.io/rhoai/odh-caikit-tgis-serving-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-kserve-autogluon-server-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-kserve-autogluon-server-rhel9@sha256:d16a3db7f9491439c9ffa90d81e1e45eeaa17ce64b1dbd8eaaf6a3b7948a99fa?repository_url=registry.redhat.io/rhoai/odh-kserve-autogluon-server-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-kserve-storage-initializer-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-kserve-storage-initializer-rhel9@sha256:c38b5115537b4cef431095e26b04f35b700095b05811f1e26e7e25b1f2cb4780?repository_url=registry.redhat.io/rhoai/odh-kserve-storage-initializer-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-mlflow-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-mlflow-rhel9@sha256:26ac33d2d07f9d51df725604ca695c98597f9bf428f6038bb1d74f9405e8db2d?repository_url=registry.redhat.io/rhoai/odh-mlflow-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-pipeline-runtime-datascience-cpu-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-pipeline-runtime-datascience-cpu-py312-rhel9@sha256:61ebc00090a7b3edb1e19b2c0aa407fea02be75fd5dda4a5f315adb1c1d0a434?repository_url=registry.redhat.io/rhoai/odh-pipeline-runtime-datascience-cpu-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-pipeline-runtime-pytorch-rocm-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-pipeline-runtime-pytorch-rocm-py312-rhel9@sha256:8bf2de878394390a6254b889783bd87185b573d93487055364326e864a404dc7?repository_url=registry.redhat.io/rhoai/odh-pipeline-runtime-pytorch-rocm-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-th-torch-cpu-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-th-torch-cpu-py312-rhel9@sha256:d265d1398bceb2d971d725e27e81c8def1213b2f0dc265a37707b2f4270317ca?repository_url=registry.redhat.io/rhoai/odh-th-torch-cpu-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-th06-cpu-torch210-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-th06-cpu-torch210-py312-rhel9@sha256:cdd7d9f982c1f8a94dd4aad43e705274aae1bf0942e0442e60c3973f9c198f23?repository_url=registry.redhat.io/rhoai/odh-th06-cpu-torch210-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-th06-cuda130-torch291-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-th06-cuda130-torch291-py312-rhel9@sha256:4a92ec3c409a7c6ef662a2fe902e8bfff42392385f668e20fc4825d03bc838cd?repository_url=registry.redhat.io/rhoai/odh-th06-cuda130-torch291-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-training-rocm64-torch29-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-training-rocm64-torch29-py312-rhel9@sha256:2fc5a3b4139e590e072b735ec43a3d9c2e30dab8ad6c01261cfe33d24fa8e771?repository_url=registry.redhat.io/rhoai/odh-training-rocm64-torch29-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-vllm-gaudi-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-vllm-gaudi-rhel9@sha256:87eec3862eb6ddef445f89dcf6fd89add7ef202ea7c563b1ee7347537fb3e250?repository_url=registry.redhat.io/rhoai/odh-vllm-gaudi-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-workbench-jupyter-pytorch-cuda-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-workbench-jupyter-pytorch-cuda-py312-rhel9@sha256:f476e56ad00faaad5f2e26010f633233db2d4b299d7c5281e2f4ac46949b531b?repository_url=registry.redhat.io/rhoai/odh-workbench-jupyter-pytorch-cuda-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • rhoai/odh-workbench-jupyter-tensorflow-cuda-py312-rhel9 as a component of Red Hat OpenShift AI (RHOAI) · known affected

    Vendor assessment for this product only.

    pkg:oci/odh-workbench-jupyter-tensorflow-cuda-py312-rhel9@sha256:a9919e8b5cedd66870a6d6f464883ea3182ac749a72bb590e0298d3ae8a4f78a?repository_url=registry.redhat.io/rhoai/odh-workbench-jupyter-tensorflow-cuda-py312-rhel9

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • quay/quay-rhel8 as a component of Red Hat Quay 3 · known affected

    Vendor assessment for this product only.

    pkg:oci/quay-rhel8@sha256:f33464ccc07e05781c2ec093df7fd9093b5ab0aae6435c11d632cc1332a560ee?repository_url=registry.redhat.io/quay/quay-rhel8

    • no fix planned: Out of support scope
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00
  • python3.12-pillow.src as a component of Red Hat Satellite 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • none available: Fix deferred
    Red Hat · CVE-2026-112901 · Updated 2026-10-19T23:41:26+00:00

All CVSS metrics

  • MEDIUM 6.9 v4.0 · CNA Primary
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  • MEDIUM 6.9 v4.0 · NVD Secondary
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS