Integer overflow in Freebsd

CVE-2023-3107

A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.

Vulnerability class: Integer Overflow

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-3107?
CVE-2023-3107 is a high-severity vulnerability in Freebsd, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2023-08-01.
How severe is CVE-2023-3107?
High severity. CVSS v3 base score is 7.5 out of 10.