{"id":"JLSEC-2026-789","summary":"A malicious h.265 bitstream can cause an out-of-bounds write in libde265","details":"libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in `decoder_context::process_reference_picture_set()` (`libde265/decctx.cc:1376`). The root cause is a missing aggregate bound check on predicted short-term reference picture set entries. Individual list sizes are validated, but the combined count after predicted RPS construction can exceed the 16-entry `PocStFoll` array, writing at index 16. Version 1.0.20 patches the issue.","modified":"2026-07-25T03:30:03.708426635Z","published":"2026-07-25T03:23:36.599Z","upstream":["CVE-2026-49295","EUVD-2026-38079"],"database_specific":{"sources":[{"database_specific":{"status":"Analyzed"},"id":"CVE-2026-49295","imported":"2026-07-24T13:48:05.437Z","modified":"2026-06-26T19:17:19.260Z","published":"2026-06-19T21:17:01.590Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-49295","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49295"},{"modified":"2026-06-22T17:18:46Z","published":"2026-06-19T20:09:22Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-38079","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38079","id":"EUVD-2026-38079","imported":"2026-07-24T13:48:06.733Z"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/strukturag/libde265/commit/691f3a3c55b3d32478c4a49895dee061a282652b"},{"type":"WEB","url":"https://github.com/strukturag/libde265/security/advisories/GHSA-g2rg-wj66-w594"}],"affected":[{"package":{"name":"libde265_jll","ecosystem":"Julia","purl":"pkg:julia/libde265_jll?uuid=0a7f2b4d-d03c-5694-960e-196e69ee64e2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-789.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"}]}