HIGH🇵🇱 Wersja polska

CVE-2026-12817

CVSS 8.7v4.0pub. 2026-08-03upd. 2026-08-31

In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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:X/AU:X/R:X/V:X/RE:X/U:Amber

  • Bouncycastle Bc Java

    APP
    Bouncycastle
    < 1.85

  • Bouncycastle Bcpg Fips

    APP
    Bouncycastle
    1.0.7 – 1.0.13 (excl.)2.0.8 – 2.0.13 (excl.)2.1.10 – 2.1.13 (excl.)

  • Bouncycastle Bouncy Castle For Java Lts

    APP
    Bouncycastle
    ≤ 2.73.11
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

Related vulnerabilities

CVE-2026-8763CRITICAL9.3PL ✓same product

Bouncy Castle dla Java — bypass Name Constraints przez trailing dot

CVE-2026-59650CRITICAL9.3PL ✓same product

Bouncy Castle Java: brak walidacji wartości peer w protokole MTI/A0 DH

CVE-2026-58062CRITICAL9.3PL ✓same product

Bouncy Castle for Java — błędna weryfikacja OCSP (CWE-295)

CVE-2026-59638CRITICAL9.3PL ✓same product

Bouncy Castle Java: błędna weryfikacja hostname (CN-fallback) w JSSE

CVE-2018-1000613CRITICAL9.8PL ✓same product

Niebezpieczna refleksja przy deserializacji klucza XMSS w Bouncy Castle