Vulnerabilities in the algorithms used by Fuchsia to populate network protocol header fields, specifically the TCP ISN, TCP timestamp, TCP and UDP source ports, and IPv4/IPv6 fragment ID allow for these values to be guessed under circumstances
https://www.ndss-symposium.org/wp-content/uploads/2025-122-paper.pdf
https://fuchsia.googlesource.com/fuchsia/+/a3c17a4d6b3140f9175d6cf6ac4eb4e775f8dea8
https://fuchsia.googlesource.com/fuchsia/+/40e7fbcdcd013441daf4492f1ead349a9e5b80dc
Published: 2025-01-30
Updated: 2025-07-29
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity: Medium
Base Score: 6.9
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Severity: Medium
EPSS: 0.00043