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CVE-2022-42964

24
FAUCET Score

CVE-2022-42964 is an exponential Regular Expression Denial of Service (ReDoS) vulnerability affecting the pymatgen PyPI package, specifically within the GaussianInput.from_string method. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a significant risk where an unauthenticated attacker can remotely trigger a denial of service by providing specially crafted input. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:materialsvirtuallab:pymatgen:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.82%
Probability of exploitation in next 30 days
EPSS Percentile
53.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0082 is in the 29th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

pipGHSA-5jqp-885w-xj32medium

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

Nov 10, 2022

References

research.jfrog.com / vulnerabilities/pymatgen-redos-xray-257184
ExploitThird Party Advisory