CVE-2026-25990
Pillow has an out-of-bounds write when loading PSD images
Description
Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, n out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.
INFO
Published Date :
Feb. 11, 2026, 9:16 p.m.
Last Modified :
Feb. 13, 2026, 9:32 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update the Pillow library to version 12.1.1.
- Apply security patches for older versions if available.
- Avoid processing untrusted PSD files.
Public PoC/Exploit Available at Github
CVE-2026-25990 has a 3 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-25990.
| URL | Resource |
|---|---|
| https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa | Patch |
| https://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhc | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/02/12/1 | Mailing List Patch Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-25990 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-25990
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-25990 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-25990 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* versions from (including) 10.3.0 up to (excluding) 12.1.1 Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/02/12/1 Types: Mailing List, Patch, Third Party Advisory Added Reference Type GitHub, Inc.: https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa Types: Patch Added Reference Type GitHub, Inc.: https://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhc Types: Vendor Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Feb. 12, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/02/12/1 -
New CVE Received by [email protected]
Feb. 11, 2026
Action Type Old Value New Value Added Description Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, n out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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 Added CWE CWE-787 Added Reference https://github.com/python-pillow/Pillow/commit/9000313cc5d4a31bdcdd6d7f0781101abab553aa Added Reference https://github.com/python-pillow/Pillow/security/advisories/GHSA-cfh3-3jmp-rvhc