This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-12852 →

DEBIAN-CVE-2026-12852

In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check.

Original description

The description as published by the source.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Debian:12 bouncycastle

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 bouncycastle

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 bouncycastle

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.86-1"}]}]