{"id":"CVE-2023-45678","summary":"Off-by-one heap buffer write in start_decoder in stb_vorbis","details":"stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of buffer write in `start_decoder` because at maximum `m-\u003esubmaps` can be 16 but `submap_floor` and `submap_residue` are declared as arrays of 15 elements. This issue may lead to code execution.","modified":"2026-03-14T12:20:50.398225Z","published":"2023-10-20T23:26:51.139Z","database_specific":{"cwe_ids":["CWE-787"],"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45678.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45678.json"},{"type":"WEB","url":"https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L4074-L4079"},{"type":"WEB","url":"https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L753-L760"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45678"},{"type":"ADVISORY","url":"https://securitylab.github.com/advisories/GHSL-2023-145_GHSL-2023-151_stb_image_h/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"1.22"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45678.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"}]}