PyPI/pymatgen CVE-2022-42964: medium 5.9, EPSS 0.88%

pymatgen is vulnerable to Regular Expression Denial of Service (ReDoS)

Action: Upgrade pymatgen to 2025.10.7 or later.

pip install pymatgen==2025.10.7

Affected

Fixed versions

Sources

• osv: PYSEC-2026-909
• https://nvd.nist.gov/vuln/detail/CVE-2022-42964
• https://github.com/materialsproject/pymatgen/issues/2755
• https://github.com/materialsproject/pymatgen
• https://research.jfrog.com/vulnerabilities/pymatgen-redos-xray-257184
• https://pypi.org/project/pymatgen
• https://github.com/advisories/GHSA-5jqp-885w-xj32
• https://github.com/materialsproject/pymatgen/pull/4476
• https://github.com/materialsproject/pymatgen/commit/8d2ca2296109f9e5a4ac1c751eee650ab4303108

CVE-2022-42964 · published 2026-07-07T10:17:23.427661Z · modified 2026-07-08T12:00:09.987680129Z · JSON