CVE-2026-15997
No fix known EPSS <1%CVSS 1.7
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.
Products: Legion of the Bouncy Castle Inc. BC-LTS
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu 26.04 LTS | bouncycastle | no fix |
| Ubuntu 26.10 | bouncycastle | no fix |
| Ubuntu Pro 16.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 18.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 20.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 22.04 LTS | bouncycastle | no fix |
| Ubuntu Pro 24.04 LTS | bouncycastle | no fix |