ALPINE-CVE-2021-23437

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-23437
Published: 03 Sept 2021, 16:15
Last modified:19 Nov 2025, 06:19

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Sept 2021, 16:15
Published
Vulnerability first disclosed
19 Nov 2025, 06:19
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

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • alpine•py-pillow

    < 6.2.1-r1

  • alpine•py3-pillow

    < 7.1.2-r2 | < 7.2.0-r2 | < 8.2.0-r1 | < 8.4.0-r0

References (1)