PyPI/black CVE-2024-21503: unknown, EPSS 0.98%

Versions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could e

Action: Upgrade black to 24.3.0 or later.

pip install black==24.3.0

Affected

Fixed versions

Sources

• osv: PYSEC-2024-48
• https://security.snyk.io/vuln/SNYK-PYTHON-BLACK-6256273
• https://github.com/psf/black/releases/tag/24.3.0
• https://github.com/psf/black/commit/f00093672628d212b8965a8993cee8bedf5fe9b8
• https://github.com/advisories/GHSA-fj7x-q9j7-g6q6

CVE-2024-21503 · published 2024-03-19T05:15:00Z · modified 2026-06-10T17:00:37.560368446Z · JSON