PT-2026-67239 · Legion Of The Bouncy Castle · Bc-Fja+2

CVE-2026-59646 · Publicado 2026-08-03 · Atualizado 2026-08-03

NVD

CVSS v4.0

8.7

Alta

Vetor base

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).

Exploit

Correção

Enumeração de Fraquezas

CWE-789

Identificadores relacionados

CVE-2026-59646

Produtos afetados

Bc-Fja

Bc-Java

Bc-Lts-Java

Referências · 4

• 🔥 https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059646 · Exploit
• https://github.com/bcgit/bc-java/commit/2d98721e71bbd822ffa0f84e088eea645cf679fa · Correção
• https://github.com/bcgit/bc-java/commit/2ea38942c7917f6d7ab4de93d8a5336d021df0d9 · Correção
• https://nvd.nist.gov/vuln/detail/CVE-2026-59646 · Nota de Segurança