{"action":"Upgrade mupdf to 1.2-2 or later.","affected":[{"fixed":"1.2-2","introduced":"0"}],"component":"mupdf","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.2-2"],"id":"tcs_01M5NA5KGD8R5KH6SGF4X0FCTJ","modified_at":"2026-10-23T18:02:28.920369270Z","published_at":"2020-01-23T22:15:09.683Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-5340","https://security-tracker.debian.org/tracker/CVE-2012-5340"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-5340","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-5340"}],"summary":"SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the lex_number() function via a corrupt PDF file."}