CVE ID:	CVE-2020-36430
Description:	libass 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.
Test IDs:	1.3.6.1.4.1.25623.1.1.10.2021.0413   1.3.6.1.4.1.25623.1.0.854083   1.3.6.1.4.1.25623.1.1.4.2021.2792.1   1.3.6.1.4.1.25623.1.0.820110   1.3.6.1.4.1.25623.1.0.854094
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2020-36430 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/ https://security.gentoo.org/glsa/202208-13 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632