{"action":"Upgrade nanopb to 0.4.4-1 or later.","affected":[{"fixed":"0.4.4-1","introduced":"0"}],"component":"nanopb","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["0.4.4-1"],"id":"tcs_01M5NEX2TC9R97WHKAQ6GP31VY","modified_at":"2026-09-11T11:02:31.215358213Z","published_at":"2020-11-25T17:15:12.200Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-26243","https://security-tracker.debian.org/tracker/CVE-2020-26243"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-26243","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-26243"}],"summary":"Nanopb is a small code-size Protocol Buffers implementation. In Nanopb before versions 0.4.4 and 0.3.9.7, decoding specifically formed message can leak memory if dynamic allocation is enabled and an o"}