CVE-2026-25990

Aliases:GHSA-cfh3-3jmp-rvhcBIT-pillow-2026-25990PYSEC-2026-2249UBUNTU-CVE-2026-25990DEBIAN-CVE-2026-25990CGA-47fw-wc2r-46mrCGA-54gj-r862-mwvvCGA-668g-fpmv-xhx5CGA-6x35-pw3r-f2h4CGA-72qg-fcxv-qcg7CGA-896c-c2jc-88cqCGA-93ff-93jq-p6qmCGA-cj9q-4qph-gqm9CGA-3hvh-cwhg-rh2fCGA-3jwv-g686-wr7jCGA-4mx2-6vrc-wjh2CGA-5cfw-jc5c-fhxrCGA-8mjw-gx7m-2j69CGA-8vxm-7jx5-99cfCGA-fggv-2gq6-r9rjCGA-fh6v-f7q5-42mjCGA-g962-rqww-9fw2CGA-gcw8-vqqh-r9qjCGA-gp5g-mx45-j45mCGA-m876-qcmf-494hCGA-ppcq-52q5-m3h6CGA-q95f-8qqv-8w5pCGA-rghx-p9q8-gvg2CGA-rwx6-c326-cxgqCGA-v4rq-4cg6-r852CGA-w65j-6j4r-q8xrCGA-xhwh-7cr5-v786CGA-xxjc-vwhq-3j69USN-8047-1
Modified
Published: 11 Feb 2026, 20:53
Last modified:16 Sept 2026, 12:04

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
8.6 HIGH
v4.0 (cve.org)
EPSS Score
0.37% LOW
0% probability +0.36%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 Feb 2026, 20:53
Published
Vulnerability first disclosed
16 Sept 2026, 12:04
Last Modified
Vulnerability information updated

Description

Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

CVSS Metrics

  • v4.0HIGHScore: 8.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • v4.0HIGHScore: 8.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
  • v3.1HIGHScore: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • v3.1HIGHScore: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.37% Percentile: 31%

Techniques & Countermeasures

  • CWE-787Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • chainguardkubeflow-pipelines-visualization-server

    < 2.15.0-r5

  • chainguardlabel-studio

    < 1.22.0-r4

  • chainguardlitellm

    < 1.81.12.1-r0

  • chainguardmlflow

    < 3.9.0-r1

  • chainguardmlflow-iamguarded-compat

    < 3.9.0-r1

  • chainguardopen-webui

    < 0.8.3-r1 | < 0.11.0-r0

  • chainguardpgadmin4

    < 9.12-r1

  • chainguardpgadmin4-fips

    < 9.12-r1

  • chainguardpy3.10-vllm-cuda-12.4

    < 0.16.0-r0

  • chainguardpy3.11-text-generation-inference

    < 3.3.7-r7

  • chainguardpy3.12-vllm-cuda-12.4

    < 0.16.0-r0

  • chainguardsuperset-5.0

    < 5.0.0-r17

  • chainguardsuperset-6.0

    < 6.0.0-r2

  • chainguardtensorflow-cpu-jupyter

    < 2.20.0-r11

  • chainguardtensorflow-gpu-jupyter

    < 2.20.0-r10

  • chainguardtritonserver-backend-vllm-cuda-12.9

    < 25.9.0_git20251112-r7

  • chainguardvllm-openai-cuda-12.9

    < 0.15.1-r0

  • wolfikubeflow-pipelines-visualization-server

    < 2.15.0-r5

  • wolfimlflow

    < 3.9.0-r1

  • wolfimlflow-iamguarded-compat

    < 3.9.0-r1

  • wolfiopen-webui

    < 0.8.3-r1 | < 0.11.0-r0

  • wolfisuperset-6.0

    < 6.0.0-r2

  • debianpillow

    < 11.1.0-5+deb13u1 | < 12.1.1-1

  • ubuntupillow

    < 11.3.0-1ubuntu1.1

  • PyPIpillow

    ≥ 10.3.0, < 12.1.1

  • python-pillowpillow

    ≥ 10.3.0, < 12.1.1

  • pythonpillow

    ≥ 10.3.0, < 12.1.1

References (36)