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pillow vulnerability

Type: advisorySources: OSV

Yarden Porat discovered that Pillow incorrectly handled certain malformed PSD images. An attacker could use this issue to cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code.

Products
pillow
Affected versions
11.1.0-5build1, 11.3.0-1ubuntu1
Fixed versions
11.3.0-1ubuntu1.1
CVEs
CVE-2026-25990
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 17:16 UTC · Revision 1

Source evidence

pillow vulnerability

core-osv · Original source

Published 17 Feb 2026, 12:52 UTC

Yarden Porat discovered that Pillow incorrectly handled certain malformed PSD images. An attacker could use this issue to cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code.

osv:USN-8047-1

pillow

Fixed versions: 11.3.0-1ubuntu1.1

Complete source record
{
  "id": "53b41bfab33ea847083ef7f22eca659f8cb129bff554ea65dd42d6db705ee838",
  "url": "https://osv.dev/vulnerability/USN-8047-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "pillow vulnerability",
    "summary": "Yarden Porat discovered that Pillow incorrectly handled certain malformed PSD images. An attacker could use this issue to cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code.",
    "evidence": "osv:USN-8047-1",
    "products": [
      {
        "name": {
          "value": "pillow",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "11.3.0-1ubuntu1.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "11.1.0-5build1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "11.3.0-1ubuntu1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "USN-8047-1",
      "aliases": [
        "USN-8047-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "11.3.0-1ubuntu1.1"
                }
              ]
            }
          ],
          "package": {
            "name": "pillow",
            "purl": "pkg:deb/ubuntu/pillow?arch=source&distro=questing",
            "ecosystem": "Ubuntu:25.10"
          },
          "versions": [
            "11.1.0-5build1",
            "11.3.0-1ubuntu1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8047-1.json",
            "cves_map": {
              "cves": [
                {
                  "id": "CVE-2026-25990",
                  "severity": [
                    {
                      "type": "CVSS_V4",
                      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
                    },
                    {
                      "type": "CVSS_V3",
                      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                    },
                    {
                      "type": "CVSS_V3",
                      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                      "type": "Ubuntu",
                      "score": "medium"
                    }
                  ]
                }
              ],
              "ecosystem": "Ubuntu:25.10"
            }
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "python3-pil",
                "binary_version": "11.3.0-1ubuntu1.1"
              },
              {
                "binary_name": "python3-pil.imagetk",
                "binary_version": "11.3.0-1ubuntu1.1"
              }
            ],
            "availability": "No subscription required"
          }
        }
      ],
      "modified": "2026-10-27T04:16:47.322585822Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-25990",
        "UBUNTU-CVE-2026-25990"
      ],
      "references": [
        "https://ubuntu.com/security/notices/USN-8047-1",
        "https://ubuntu.com/security/CVE-2026-25990"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-25990",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 460199,
  "published_at": "2026-02-17T12:52:01+00:00"
}