CVE-2025-9341

mediumpriority · track · 0EPSS 0.002 · 5 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.16% (5th) EPSS

CVSS 5.9 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-27

Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java FIPS bc-fips on All (API modules), Legion of the Bouncy Castle Inc. Bouncy Castle for Java LTS bcprov-lts8on on All (API modules) allows Excessive Allocation. This vulnerability is associated with program files org/bouncycastle/crypto/fips/AESNativeCBC.Java, org/bouncycastle/crypto/engines/AESNativeCBC.Java. This issue affects Bouncy Castle for Java FIPS: 2.1.0; Bouncy Castle for Java LTS: from 2.73.0 through 2.73.7.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.9

v4.05.9mediumCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/S:P/AU:N/R:U/V:C/RE:M/U:Ambersecondary · ENISA EU

v4.05.9mediumCVSS:4.0/AV:L/AC:L/AT:P/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:P/AU:N/R:U/V:C/RE:M/U:Ambersecondary

v4.02.1lowCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/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:P/AU:N/R:U/V:C/RE:M/U:Ambersecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USCWE-400US

affected products (8)

Products and version ranges known to be affected.

Open Source Bouncy Castle <2.1.1all versionscert_bundDE
Open Source Bouncy Castle <2.73.8all versionscert_bundDE
Open Source Bouncy Castle< 2.1.1cert_bundDE
Open Source Bouncy Castle< 2.73.8cert_bundDE
Legion of the Bouncy Castle Inc. Bouncy Castle for Java FIPS≤ 2.1.0enisa_euvdEU
Legion of the Bouncy Castle Inc. Bouncy Castle for Java LTS≤ 2.73.0 ≤2.73.7enisa_euvdEU
Maven org.bouncycastle:bc-fips2.1.0 → 2.1.1osvUSpkg:maven/org.bouncycastle/bc-fips
Maven org.bouncycastle:bctls-fips2.73.7 → 2.73.8osvUSpkg:maven/org.bouncycastle/bctls-fips

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1895Bouncy Castle: Mehrere SchwachstellenDeutsch2025-08-21csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Bouncy Castle ausnutzen, um Daten zu manipulieren und um einen Denial of Service Zustand herbeizuführen.
GHSA-jfcv-jv9g-2vx2Bouncy Castle for Java has Uncontrolled Resource Consumption Vulnerability2025-08-22ghsa · osvUS
Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java FIPS bc-fips on All (API modules) allows Excessive Allocation. This vulnerability is associated with program files org/bouncycastle/crypto/fips/AESNativeCBC.Java. This issue affects Bouncy Castle for Java FIPS: from BC-FJA 2.1.0 through 2.1.0.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

published 2025-08-22modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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