9.3

CVE-2025-14813: GOSTCTR implementation unable to process more than 255 blocks correctly

Awaiting analysis
AliasesUBUNTU-CVE-2025-14813CGA-2mrq-8cfw-fq57CGA-2v97-jh99-qmxm
Published 15-04-2026Last modified 18-09-2026

Vulnerability summary

CVE-2025-14813 is a critical (CVSS 9.3) vulnerability in legion of the bouncy castle inc. bc-java. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24.9% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.3 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.3/10
010
Critical · v4.0 (CVE.org)
EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 2
OPENSUSE-SU-2026:10571-1RHSA-2026:18054RHSA-2026:18055RHSA-2026:53644RHSA-2026:53645RHSA-2026:53646

Timeline

  1. 15-04-2026
    PublishedVulnerability first disclosed.
  2. 18-09-2026
    Last modifiedVulnerability information updated.

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. This issue affects BC-JAVA: from 1.59 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.

CVSS metrics

10 scores · 6 sources · 2 versions

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.32% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard64 products
  • apache-pulsar-4.1All versions (No fix recorded)
  • camunda-zeebe-8.6< 8.6.39-r13
  • commercial-elasticsearch-8.17All versions (No fix recorded)
  • commercial-elasticsearch-9.1All versions (No fix recorded)
  • commercial-elasticsearch-9.2All versions (No fix recorded)
Org.bouncycastle14 products
  • bcprov-debug-jdk14≥ 1.59, ≤ 1.80.1 | 1.81.0 | ≥ 1.82, < 1.84
  • bcprov-debug-jdk15on≤ 1.7.0
  • bcprov-debug-jdk15to18≥ 1.59, ≤ 1.80.1 | 1.81.0 | ≥ 1.82, < 1.84
  • bcprov-debug-jdk18on≥ 1.59, ≤ 1.80.1 | 1.81.0 | ≥ 1.82, < 1.84
  • bcprov-ext-debug-jdk14≥ 1.59, ≤ 1.74
Wolfi10 products
  • apache-pulsar-4.1All versions (No fix recorded)
  • keycloak-26.4All versions (No fix recorded)
  • keycloak-26.4-iamguarded-compatAll versions (No fix recorded)
  • keycloak-26.5All versions (No fix recorded)
  • keycloak-26.5-iamguarded-compatAll versions (No fix recorded)
Legion of the bouncy castle inc.1 product
  • bc-java≥ 1.59, < 1.80.2 | ≥ 1.81, < 1.81.1 | ≥ 1.82, < 1.84
Ubuntu1 product
  • bouncycastleAll versions (No fix recorded)

5 vendors · 90 products

References

39 links
Show all 39 references