Pillow up to 8.1.0 ICO Container memory allocation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Pillow up to 8.1.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component ICO Container Handler. The manipulation results in memory allocation. This vulnerability is known as CVE-2021-27923. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Pillow up to 8.1.0. It has been classified as problematic. Affected is some unknown processing of the component ICO Container Handler. The manipulation with an unknown input leads to a memory allocation vulnerability. CWE is classifying the issue as CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. This is going to have an impact on availability.

The weakness was published 03/04/2021. The advisory is available at pillow.readthedocs.io. This vulnerability is traded as CVE-2021-27923. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 236661 (Alibaba Cloud Linux 3 : 0012: python-pillow (ALINUX3-SA-2022:0012)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.1.1 eliminates this vulnerability. The upgrade is hosted for download at pillow.readthedocs.io.

The vulnerability is also documented in the databases at Tenable (236661) and CERT Bund (WID-SEC-2022-1835). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Amazon Linux 2
  • Ubuntu Linux
  • SUSE Linux
  • Red Hat Enterprise Linux
  • Open Source Python

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236661
Nessus Name: Alibaba Cloud Linux 3 : 0012: python-pillow (ALINUX3-SA-2022:0012)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pillow 8.1.1

Timelineinfo

03/03/2021 🔍
03/04/2021 +1 days 🔍
03/04/2021 +0 days 🔍
03/31/2026 +1853 days 🔍

Sourcesinfo

Advisory: pillow.readthedocs.io
Status: Confirmed

CVE: CVE-2021-27923 (🔍)
GCVE (CVE): GCVE-0-2021-27923
GCVE (VulDB): GCVE-100-170610
CERT Bund: WID-SEC-2022-1835 - Red Hat Enterprise Linux (python-pillow): Mehrere Schwachstellen

Entryinfo

Created: 03/04/2021 06:52
Updated: 03/31/2026 20:30
Changes: 03/04/2021 06:52 (38), 03/06/2021 13:52 (5), 03/14/2021 13:26 (18), 05/18/2025 20:08 (17), 08/15/2025 08:11 (1), 03/31/2026 20:30 (7)
Complete: 🔍
Cache ID: 216:965:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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