This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-59640 →

DEBIAN-CVE-2026-59640

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for...

Original description

The description as published by the source.

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

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"}]}]

References

advisory security-tracker.debian.org