libde265-0: libde265 is an open source implementation of the h.265 video codec
CVE-2026-49295 is fixed in 6 products on 1 platform, first by libde265-0 1.0.16-1ubuntu0.1~esm1, released June 30, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libde265 · Debian 12.15 (bookworm) | 1.0.11-1+deb12u3 | DEBIAN-CVE-2026-49295 | Jul 3, 2026 |
| libde265 · Debian 13.5 (trixie) | 1.0.15-1+deb13u1 | DEBIAN-CVE-2026-49295 | Jul 3, 2026 |
| libde265 · Debian 14 | 1.1.1-1 | DEBIAN-CVE-2026-49295 | Jul 3, 2026 |
| libde265 · amzn 2023 | 1.0.18-1.amzn2023.0.2 | ALAS2023-2026-1918 | Jul 6, 2026 |
| libde265-0 · Ubuntu 18.04.6 LTS (bionic) | 1.0.2-2ubuntu0.18.04.1~esm6 | libde265-0 1.0.2-2ubuntu0.18.04.1~esm6 | Jul 23, 2026 |
| libde265-0 · Ubuntu 20.04 LTS (focal) | 1.0.4-1ubuntu0.4+esm2 | libde265-0 1.0.4-1ubuntu0.4+esm2 | Jul 23, 2026 |
| libde265-0 · Ubuntu 22.04.1 LTS (jammy) | 1.0.8-1ubuntu0.3+esm2 | libde265-0 1.0.8-1ubuntu0.3+esm2 | Jul 23, 2026 |
| libde265-0 · Ubuntu 24.04.5 LTS (noble) | 1.0.15-1ubuntu0.1 | libde265-0 1.0.15-1ubuntu0.1 | Jul 23, 2026 |
| libde265-0 · Ubuntu 26.04.1 LTS (resolute) | 1.0.16-1ubuntu0.1~esm1 | libde265-0 1.0.16-1ubuntu0.1~esm1 | Jun 30, 2026 |
| libde265-debuginfo · amzn 2023 | 1.0.18-1.amzn2023.0.2 | ALAS2023-2026-1918 | Jul 6, 2026 |
| libde265-debugsource · amzn 2023 | 1.0.18-1.amzn2023.0.2 | ALAS2023-2026-1918 | Jul 6, 2026 |
| libde265-devel · amzn 2023 | 1.0.18-1.amzn2023.0.2 | ALAS2023-2026-1918 | Jul 6, 2026 |
| libde265-examples · Ubuntu 18.04.6 LTS (bionic) | 1.0.2-2ubuntu0.18.04.1~esm6 | libde265-examples 1.0.2-2ubuntu0.18.04.1~esm6 | Jul 23, 2026 |
| libde265-examples · Ubuntu 20.04 LTS (focal) | 1.0.4-1ubuntu0.4+esm2 | libde265-examples 1.0.4-1ubuntu0.4+esm2 | Jul 23, 2026 |
| libde265-examples · Ubuntu 22.04.1 LTS (jammy) | 1.0.8-1ubuntu0.3+esm2 | libde265-examples 1.0.8-1ubuntu0.3+esm2 | Jul 23, 2026 |
| libde265-examples · Ubuntu 24.04.5 LTS (noble) | 1.0.15-1ubuntu0.1 | libde265-examples 1.0.15-1ubuntu0.1 | Jul 23, 2026 |
| libde265-examples · Ubuntu 26.04.1 LTS (resolute) | 1.0.16-1ubuntu0.1~esm1 | libde265-examples 1.0.16-1ubuntu0.1~esm1 | Jun 30, 2026 |
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