CVE-2026-15997

lowpriority · track · 0EPSS 0.001 · 3 %ileDEEU
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.14% (3rd) EPSS
CVSS 1.7 · low
Is it mine?
3 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

Out-of-bounds write vulnerability in Legion of the Bouncy Castle Inc. BC-LTS bcprov-lts8on on ARM allows Overflow Buffers. This vulnerability is associated with program files https://github.Com/bcgit/bc-lts-java/blob/main/native_c/arm/sha/shake.C, https://github.Com/bcgit/bc-lts-java/blob/main/native_c/arm/sha/sha3.C. This issue affects BC-LTS: from 2.73.0 before 2.73.12.1. Issue is only applicable if application involved is accepting memoable SHA3 / SHAKE states from potentially untrusted sources.

01

cvss

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

1.7
010

base score 0–10 · higher = more severe · hover a vector to decode

v4.01.7lowCVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/S:P/AU:N/R:A/V:D/RE:M/U:Ambersecondary · ENISA EU
v4.01.7lowCVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/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:A/V:D/RE:M/U:Ambersecondary
v4.01.7lowCVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/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:A/V:D/RE:M/U:Ambersecondary · CVSS-BT (t0sche)
02

ssvc

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

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787US
04

affected products (3)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-2399Bouncy Castle: Schwachstelle ermöglicht nicht spezifizierten AngriffDeutsch2026-07-16csaf · cert_bundDE

    Ein lokaler Angreifer kann eine Schwachstelle in Bouncy Castle ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundNVDCVE.orgMITRE
published 2026-07-16modified 2026-10-24
08

references (3)

External citations — patches, advisories, analysis.

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