CVE-2021-27921

Description

Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for a BLP container, and thus an attempted memory allocation can be very large.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.419

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2021-27921,CVE-2021-27922,CVE-2021-27923 are fixed in Python-pillow 8.1.2	Windows
Python Imaging Library (USN-4763-1) python-pil_3.1.2-0ubuntu1.6_i386.deb	Linux
Python Imaging Library (USN-4763-1) python-pil_3.1.2-0ubuntu1.6_amd64.deb	Linux
Python Imaging Library (USN-4763-1) python-pil_5.1.0-1ubuntu0.5_i386.deb	Linux
Python Imaging Library (USN-4763-1) python-pil_5.1.0-1ubuntu0.5_amd64.deb	Linux
Python Imaging Library (USN-4763-1) python3-pil_3.1.2-0ubuntu1.6_i386.deb	Linux
Python Imaging Library (USN-4763-1) python3-pil_3.1.2-0ubuntu1.6_amd64.deb	Linux
Python Imaging Library (USN-4763-1) python3-pil_5.1.0-1ubuntu0.5_i386.deb	Linux
Python Imaging Library (USN-4763-1) python3-pil_5.1.0-1ubuntu0.5_amd64.deb	Linux
Python Imaging Library (USN-4763-1) python3-pil_7.0.0-4ubuntu0.3_amd64.deb	Linux
Python Imaging Library (USN-4763-1) python3-pil_7.2.0-1ubuntu0.2_amd64.deb	Linux
Vulnerabilities CVE-2021-27921,CVE-2021-27922,CVE-2021-27923 are fixed in Python-pillow for linux 8.1.2	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234