What is CVE-2026-46037?

CVE-2026-46037 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-05-27.

How severe is CVE-2026-46037?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Linux

CVE-2026-46037

In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: validate reply type before using icmp_pointers Extended echo replies use ICMP_EXT_ECHOREPLY as the outbound reply type. That value is outside the range cover…

EPSS: 0.001 (21.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

Linux — versions 6.18.27, 5.15.209, 7.1-rc1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-46037?: CVE-2026-46037 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-05-27.
How severe is CVE-2026-46037?: High severity. CVSS v3 base score is 8.2 out of 10.