Advisory USN-8909-1: denial of service in libde265 from malformed H.265 bitstreams
The Ubuntu Security feed published advisory USN-8909-1 on libde265, an H.265 decoding library. Crafted bitstreams can cause a NULL pointer dereference and make the program crash.
Source: advisory USN-8909-1 from the Ubuntu Security feed, dated 8 October 2026 according to the received record. The text states that libde265 did not properly validate certain crafted H.265 bitstreams, leading to a NULL pointer dereference. An attacker could possibly exploit this to make the library crash, causing denial of service. The summary received does not describe code execution or list specific affected versions.
Relevance: this is a security advisory about third-party software with no direct connection to Rota Nacional. The platform does not patch operating system libraries or change the decoder's validation. The fix belongs to the maintainer and to package updates. To verify, read the original advisory on the official Ubuntu Security site, check the listed versions and packages, and apply the update recommended by your system administrator.
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