CVE-2024-21503
psf/black: ReDoS via the lines_with_leading_tabs_expanded() function in strings.py file
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 exploit this vulnerability by crafting a malicious input that causes a denial of service. Exploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings.
CVSS 3.1 · 5.3 Medium
EPSS < 1%
KEV · Not listed
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