AIKIDO-2025-10697
pymatgen is vulnerable to Regular Expression Denial of Service (ReDoS)
30
Low Risk
This Affects:
pymatgenTL;DR
Affected versions of pymatgen are vulnerable to an exponential regular-expression denial-of-service (ReDoS) in GaussianInput.from_string. An attacker who can supply crafted input to that method can trigger catastrophic backtracking in the library’s regex, causing excessive CPU usage and potentially rendering the process unresponsive.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
pymatgen is vulnerable to Regular Expression Denial of Service (ReDoS) in versions 0.0.1 - 2025.10.6.
How to fix this
Upgrade the pymatgen library to the patch version.
Are You Affected?
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SOC 2Compliant
ISO 27001Compliant