Workflow

PyPi: Pillow-Simd

CVE-2021-25291

Safety vulnerability ID: 72603

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Mar 19, 2021 Updated at Nov 29, 2024
Scan your Python projects for vulnerabilities →

Advisory

Affected versions of Pillow-simd, a highly optimized version of the Pillow library for x86 architecture (primarily Intel and AMD CPUs), are vulnerable to CVE-2021-25291. This vulnerability, found in `TiffDecode.c`, allows an out-of-bounds read in `TiffreadRGBATile` when processing invalid tile boundaries, potentially leading to memory corruption or crashes.

Affected package

pillow-simd

Latest version: 9.5.0.post2

Python Imaging Library (Fork)

Affected versions

Fixed versions

Vulnerability changelog

------------------

- Use more specific regex chars to prevent ReDoS. CVE-2021-25292
[hugovk]

- Fix OOB Read in TiffDecode.c, and check the tile validity before reading. CVE-2021-25291
[wiredfool]

- Fix negative size read in TiffDecode.c. CVE-2021-25290
[wiredfool]

- Fix OOB read in SgiRleDecode.c. CVE-2021-25293
[wiredfool]

- Incorrect error code checking in TiffDecode.c. CVE-2021-25289
[wiredfool]

- PyModule_AddObject fix for Python 3.10 5194
[radarhere]

Resources

Use this package?

Scan your Python project for dependency vulnerabilities in two minutes

Scan your application

Severity Details

CVSS Base Score

HIGH 7.5

CVSS v3 Details

HIGH 7.5
Attack Vector (AV)
NETWORK
Attack Complexity (AC)
LOW
Privileges Required (PR)
NONE
User Interaction (UI)
NONE
Scope (S)
UNCHANGED
Confidentiality Impact (C)
NONE
Integrity Impact (I)
NONE
Availability Availability (A)
HIGH

CVSS v2 Details

MEDIUM 5.0
Access Vector (AV)
NETWORK
Access Complexity (AC)
LOW
Authentication (Au)
NONE
Confidentiality Impact (C)
NONE
Integrity Impact (I)
NONE
Availability Impact (A)
PARTIAL