{"action":"Upgrade nanopb to 0.3.9.7 or later.","affected":[{"fixed":"0.3.9.7","introduced":"0.3.2"},{"fixed":"0.4.4","introduced":"0.4.0"}],"component":"nanopb","cve_ids":["CVE-2020-26243"],"ecosystem":"PyPI","epss":0.02664,"exploited":false,"fixed_versions":["0.3.9.7","0.4.4"],"ghsa_id":"GHSA-85rr-4rh9-hhwh","id":"tcs_01M5KF7CKVB2X04HV64REYDFVJ","modified_at":"2026-07-08T06:00:09.403204538Z","published_at":"2020-11-25T16:53:27Z","references":["https://osv.dev/vulnerability/GHSA-85rr-4rh9-hhwh","https://github.com/nanopb/nanopb/security/advisories/GHSA-85rr-4rh9-hhwh","https://nvd.nist.gov/vuln/detail/CVE-2020-26243","https://github.com/nanopb/nanopb/issues/615","https://github.com/nanopb/nanopb/commit/4fe23595732b6f1254cfc11a9b8d6da900b55b0c","https://github.com/nanopb/nanopb/blob/2b48a361786dfb1f63d229840217a93aae064667/CHANGELOG.txt"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-85rr-4rh9-hhwh","url":"https://osv.dev/vulnerability/GHSA-85rr-4rh9-hhwh"}],"summary":"Memory leak in Nanopb"}