Description
libde265 v1.0.4 contains a heap buffer overflow in the put_weighted_bipred_16_fallback function, which can be exploited via a crafted a file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libde265 | 1.0.9-1 | — |
| Debian 13 | libde265 | 1.0.9-1 | — |
| Debian 12 | libde265 | 1.0.9-1 | — |
| Debian 11 | libde265 | 1.0.11-0+deb11u1 | DSA-5346-1 |
| Debian 10 | libde265 | 1.0.3-1+deb10u1 | DLA-3240-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libde265 | 1.0.4-1ubuntu0.1 | USN-6617-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libde265 | 1.0.2-2ubuntu0.18.04.1~esm1 | USN-6617-1 |
| Ubuntu Pro 16.04 LTS | libde265 | 1.0.2-2ubuntu0.16.04.1~esm1 | USN-6617-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libde265 | 1.0.11-r0 | — |
| Alpine v3.23 | libde265 | 1.0.11-r0 | — |
| Alpine v3.22 | libde265 | 1.0.11-r0 | — |
| Alpine v3.21 | libde265 | 1.0.11-r0 | — |
| Alpine v3.20 | libde265 | 1.0.11-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libde265 | 1.0.11-r0 | — |
| Alpine v3.18 | libde265 | 1.0.11-r0 | — |
| Alpine v3.17 | libde265 | 1.0.11-r0 | — |
| Alpine v3.16 | libde265 | 1.0.11-r0 | — |
| Alpine v3.15 | libde265 | 1.0.11-r0 | — |
| Alpine v3.14 | libde265 | 1.0.11-r0 | — |
Advisories 3
- USN-6617-1 libde265 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5346-1 libde265 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3240-1 libde265 - security update Debian Security (DSA / DLA) · Mar 9, 2026