This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-49346 →

DEBIAN-CVE-2026-49346

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16...

Original description

The description as published by the source.

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in de265_image_get_buffer() (libde265/image.cc:128). The overflow wraps the plane allocation size to a small value (~1 KB), but the subsequent fill_image() call computes the real size using size_t, writing ~4 GB into the undersized heap buffer. Version 1.1.0 patches the issue.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 libde265

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.11-1+deb12u3"}]}]

Debian:13 libde265

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.15-1+deb13u1"}]}]

Debian:14 libde265

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-1"}]}]

References

advisory security-tracker.debian.org