{"action":"Upgrade linux to 4.19.37-4 or later.","affected":[{"fixed":"4.19.37-4","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.19.37-4"],"id":"tcs_01M5NDPAFC44P0Y87WM4NF29JH","modified_at":"2026-09-21T07:00:20.851221553Z","published_at":"2019-06-19T00:15:12.767Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-11479","https://security-tracker.debian.org/tracker/CVE-2019-11479"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-11479#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-11479"}],"summary":"Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced. A"}