Risk Scores
CVSS v3.1
9.100000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Pillow |
Timeline
- Apr 1, 2026 CVE Published
- Apr 1, 2026 Distribution Patch
=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3167 USN-8135-1: Pillow vulnerabilities 1 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Pillow Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2021-25290 CVE-2021-28677 CVE-2021-28676 CVE-2021-28675 CVE-2021-25288 CVE-2021-25287 CVE-2023-44271 CVE-2023-50447 Original Bulletin: https://ubuntu.com/security/notices/USN-8135-1 Comment: CVSS (Max): 9.1 CVE-2021-25288 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H) CVSS Source: Ubuntu Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H EPSS (Max): 0.8% (73rd) CVE-2023-50447 2026-03-31 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-8135-1: Pillow vulnerabilities Publication date 31 March 2026 Overview Several security issues were fixed in Pillow. Releases 18.04 LTS 16.04 LTS 14.04 LTS --------------------------------------------------------------------------------- Open side navigation Packages o pillow - Python Imaging Library Details It was discovered that Pillow did not correctly handle reading J2K files, which could lead to an out-of-bounds read vulnerability. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. ( CVE-2021-25287 , CVE-2021-25288 ) It was discovered that Pillow did not correctly handle certain integer arithmetic, which could lead to a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. ( CVE-2021-25290 ) It was discovered that Pillow did not correctly perform bounds checking for certain operations. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. ( CVE-2021-28675 , CVE-2021-28676 , CVE-2021-28677 ) It was discovered that Pillow did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service. ( CVE-2023-44271 ) It was discovered that Pillow did not correctly sanitize certain inputs. An attacker could possibly use this issue to execute arbitrary code. ( CVE-2023-50447 ) --------------------------------------------------------------------------------- Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu Package Version Release python-pil - 5.1.0-1ubuntu0.8+esm2 Ubuntu Pro Fix available with 18.04 LTS Ubuntu Pro . bionic python3-pil - 5.1.0-1ubuntu0.8+esm2 Ubuntu Pro Fix available with Ubuntu Pro . python-pil - 3.1.2-0ubuntu1.6+esm3 Ubuntu Pro Fix available with 16.04 LTS Ubuntu Pro . xenial python3-pil - 3.1.2-0ubuntu1.6+esm3 Ubuntu Pro Fix available with Ubuntu Pro . python-pil - 2.3.0-1ubuntu3.4+esm5 Ubuntu Pro Fix available with 14.04 LTS Ubuntu Pro via Legacy Support add-on. trusty python3-pil - 2.3.0-1ubuntu3.4+esm5 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. --------------------------------------------------------------------------------- References o CVE-2023-50447 o CVE-2023-44271 o CVE-2021-28677 o CVE-2021-28676 o CVE-2021-28675 o CVE-2021-25290 o CVE-2021-25288 o CVE-2021-25287 Related notices o USN-6618-1 o USN-4963-1 o USN-4763-1 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Pillow |