CVE-2021-23437

Aliases:GHSA-98vv-pw6r-q6q4BIT-pillow-2021-23437PYSEC-2021-317SNYK-PYTHON-PILLOW-1319443
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 03 Sept 2021, 16:10
Last modified:16 Sept 2024, 20:47

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.23% LOW
0% probability +0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

03 Sept 2021, 16:10
Published
Vulnerability first disclosed
16 Sept 2024, 20:47
Last Modified
Vulnerability information updated

Description

The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.

CVSS Metrics

  • v4.0•HIGH•Score: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.23%• Percentile: 45%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • fedoraproject•fedora

    33 | 34

  • PyPI•pillow

    ≥ 5.2.0, < 8.3.2 | < 9e08eb8f78fdfd2f476e1b20b7cf38683754866b | < 8.3.2

  • python•pillow

    ≥ 5.2.0, < 8.3.2

References (15)