CVE-2026-15997

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.

Score

CVSS 4.0 1.7 Low

Status

Deferred - 91579145-5d7b-4cc5-b925-a0262ff19630

Published

2026-07-16

Last modified

2026-10-24

Weaknesses

CWE-787

Affected products

• Bc-lts (Legion Of The Bouncy Castle Inc.)

References

• https://github.com/bcgit/bc-lts-java/wiki/CVE-2026-15997