{"id":"OESA-2021-1303","summary":"libass security update","details":"libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha)  subtitle format. It is mostly compatible with VSFilter.\r\n\r\nSecurity Fix(es):\r\n\r\nlibass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction.(CVE-2020-36430)","modified":"2025-09-03T06:17:09.844033Z","published":"2021-08-06T11:03:07Z","upstream":["CVE-2020-36430"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1303"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36430"}],"affected":[{"package":{"name":"libass","ecosystem":"openEuler:20.03-LTS-SP2","purl":"pkg:rpm/openEuler/libass&distro=openEuler-20.03-LTS-SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.15.0-2.oe1"}]}],"ecosystem_specific":{"noarch":["libass-help-0.15.0-2.oe1.noarch.rpm"],"x86_64":["libass-devel-0.15.0-2.oe1.x86_64.rpm","libass-debuginfo-0.15.0-2.oe1.x86_64.rpm","libass-0.15.0-2.oe1.x86_64.rpm","libass-debugsource-0.15.0-2.oe1.x86_64.rpm"],"aarch64":["libass-debuginfo-0.15.0-2.oe1.aarch64.rpm","libass-0.15.0-2.oe1.aarch64.rpm","libass-debugsource-0.15.0-2.oe1.aarch64.rpm","libass-devel-0.15.0-2.oe1.aarch64.rpm"],"src":["libass-0.15.0-2.oe1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2021-1303.json"}}],"schema_version":"1.7.3"}