PT-2025-34334 · Unknown · Bouncy Castle For Java

Published 2025-08-22 · Updated 2025-08-22 · CVE-2025-9340

Positive Technologies (AI Summary)

CVSS v4.0

Base vector

AV:P/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/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:N/AU:X/R:U/V:X/RE:M/U:Green

Name of the Vulnerable Software and Affected Versions: Bouncy Castle for Java versions 2.1.0 through 2.1.0

Description: An out-of-bounds write issue exists in the Bouncy Castle for Java bc-fips API modules, specifically associated with the program files org/bouncycastle/jcajce/provider/BaseCipher.

Recommendations: Bouncy Castle for Java version 2.1.0: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-9340

GHSA-G6RX-6WFX-GJ74

Affected Products

Bouncy Castle For Java

References · 8

• 🔥 https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%909340 · Exploit
• https://osv.dev/vulnerability/GHSA-g6rx-6wfx-gj74 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9340 · Security Note
• https://github.com/bcgit/bc-java · Note
• https://t.me/cveNotify/133156 · Telegram Post
• https://t.me/CVEtracker/30657 · Telegram Post
• https://twitter.com/CVEnew/status/1958829134857048358 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1958842300831817927 · Twitter Post