bouncycastle: In Bouncy Castle for Java from 1.73 to before 1.78, three ML-KEM (CRYSTALS-Kyber) routines divided secret-derived pol...
CVE-2024-14041 is fixed in bouncycastle on 1 platform, first by DEBIAN-CVE-2024-14041, released July 31, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In Bouncy Castle for Java from 1.73 to before 1.78, three ML-KEM (CRYSTALS-Kyber) routines divided secret-derived polynomial coefficients by the modulus q: Poly.toMsg, which decodes the decrypted message, and the ciphertext compression routines Poly.compressPoly and PolyVec.compressPolyVec. An attacker able to measure the timing of a large number of decapsulations performed with the same long-term private key can recover that key. These are the KyberSlash1 (Poly.toMsg) and KyberSlash2 (ciphertext compression) divisions. Compression performed during encapsulation operates on values that become the public ciphertext and is not affected.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bouncycastle · Debian 13.5 (trixie) | 1.80-1 | DEBIAN-CVE-2024-14041 | Jul 31, 2026 |
| bouncycastle · Debian 14 | 1.80-1 | DEBIAN-CVE-2024-14041 | Jul 31, 2026 |
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