What is CVE-2026-42199?

CVE-2026-42199 is a medium-severity vulnerability in Becheran Grid, classified under Integer Overflow or Wraparound. CVSS score: 6.2/10. Published 2026-05-08.

How severe is CVE-2026-42199?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Integer overflow in Becheran Grid

CVE-2026-42199

Grid is a data structure grid for rust. From version 0.17.0 to before version 1.0.1, an integer overflow in Grid::expand_rows() can corrupt the relationship between the grid’s logical dimensions and its backing storage. After the internal…

Vulnerability class: Integer Overflow

EPSS: 0.000 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Becheran Grid — versions >= 0.17.0, < 1.0.1

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-42199?: CVE-2026-42199 is a medium-severity vulnerability in Becheran Grid, classified under Integer Overflow or Wraparound. CVSS score: 6.2/10. Published 2026-05-08.
How severe is CVE-2026-42199?: Medium severity. CVSS v3 base score is 6.2 out of 10.