> CVE-2025-14813 [CRITICAL]

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PUBLISHED
2026-04-15 10:16
MODIFIED
2026-04-15 11:16
CVSS_SCORE V3
9.3
EPSS (Prob. Exploit)
0.32%
Top 76.2%
DATA SOURCES:
NVD đź”— 2026-04-15 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-10-25 GITHUB đź”— 2026-11-05

> DESCRIPTION

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (core modules). This vulnerability is associated with program files G3413CTRBlockCipher. GOSTCTR implementation unable to process more than 255 blocks correctly. This issue affects BC-JAVA: from 1.59 before 1.84.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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:M/U:Red

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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:M/U:Red
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Local (L)
Exploit nécessite un accès local au système
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-327

> CWE DETAILED DESCRIPTIONS

CWE-327: Use of a Broken or Risky Cryptographic Algorithm - The product uses a broken or risky cryptographic algorithm or protocol.

> RED HAT SECURITY ADVISORIES

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> GITHUB SECURITY ADVISORY

GHSA-574f-3g2m-x479 CRITICAL

Bouncy Castle for Java GOST 28147 CTR mode reuses keystream after 255 blocks

AFFECTED PACKAGES:
MAVEN / org.bouncycastle:bcprov-jdk15on
<= 1.7.0
MAVEN / org.bouncycastle:bcprov-debug-jdk15on
<= 1.7.0
MAVEN / org.bouncycastle:bcprov-debug-jdk18on
>= 1.82, <= 1.83
Fixed in: 1.84
MAVEN / org.bouncycastle:bcprov-debug-jdk15to18
>= 1.82, <= 1.83
Fixed in: 1.84
MAVEN / org.bouncycastle:bcprov-debug-jdk14
>= 1.82, <= 1.83
Fixed in: 1.84
MAVEN / org.bouncycastle:bcprov-jdk18on
>= 1.82, <= 1.83
Fixed in: 1.84
MAVEN / org.bouncycastle:bcprov-jdk15to18
>= 1.82, <= 1.83
Fixed in: 1.84
MAVEN / org.bouncycastle:bcprov-jdk14
>= 1.82, <= 1.83
Fixed in: 1.84
MAVEN / org.bouncycastle:bcprov-debug-jdk18on
= 1.81.0
MAVEN / org.bouncycastle:bcprov-debug-jdk15to18
= 1.81.0

> HISTORIQUE DES MODIFICATIONS

Première apparition
15/04/2026 10:16
Source: NVD
đź“Š ENRICHISSEMENT 01/05/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-327: Use of a Broken or Risky Cryptographic Algorithm - The product uses a broken or risky cryptographic algorithm or protocol.
Total des modifications: 1 Dernière mise à jour: 6 months ago

> REFERENCES

https://github.com/bcgit/bc-java/commit/701686cb0184cd9ae103c801b3581fdf95c6d4f3
https://github.com/bcgit/bc-java/commit/b42574345414e4b7c8051b16fa1fafe01c29871f
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%9014813
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