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Legion of the Bouncy Castle Inc. vulnerabilities

Every Legion of the Bouncy Castle Inc. vulnerability Vulnocalypse is tracking, newest first: whether it’s being exploited, which CERTs have warned about it and how widely it’s covered. Subscribe with the RSS feed for Legion of the Bouncy Castle Inc. alerts.

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  1. 33impact

    PKIX draft CompositeVerifier accepts empty signature sequence as valid.

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-5588
    0 news outlets0 CERTs0 researchersCVSS 6.3
  2. 39impact

    GOSTCTR implementation unable to process more than 255 blocks correctly

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2025-14813
    0 news outlets0 CERTs0 researchersCVSS 9.3
  3. 39impact

    OpenPGP user-attribute subpacket length bounded only by JVM max memory

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59649
    0 news outlets0 CERTs0 researchersCVSS 8.7
  4. 42impact

    Non-constant time comparisons risk private key leakage in FrodoKEM.

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-5598
    0 news outlets0 CERTs0 researchersCVSS 8.9
  5. 36impact

    OpenPGP AEAD decryption skips final tag on chunk-aligned data

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-12817
    0 news outlets0 CERTs0 researchersCVSS 8.7
  6. 26impact

    BKS keystore accepts legacy version with 16-bit integrity MAC key

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-59651
    0 news outlets0 CERTs0 researchersCVSS 7.1
  7. 38impact

    OER parser recurses without depth limit on self-referential IEEE 1609.2 schema

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59645
    0 news outlets0 CERTs0 researchersCVSS 8.7
  8. 36impact

    RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-12860
    0 news outlets0 CERTs0 researchersCVSS 8.7
  9. 39impact

    Quadratic-time escaping when stringifying X.500 distinguished names

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-58059
    0 news outlets0 CERTs0 researchersCVSS 8.7
  10. 37impact

    CCM-family modes write plaintext to caller buffer before tag check

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-58061
    0 news outlets0 CERTs0 researchersCVSS 8.7
  11. 39impact

    Lazy ASN.1 sequence forcing resets nesting-depth guard

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-13506
    0 news outlets0 CERTs0 researchersCVSS 8.7
  12. 40impact

    Name Constraints bypass via trailing dot in rfc822Name and URI

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-8763
    0 news outlets0 CERTs0 researchersCVSS 9.3
  13. 40impact

    DTLS handshake reassembler allocates buffer from unchecked 24-bit length

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59646
    0 news outlets0 CERTs0 researchersCVSS 8.7
  14. 33impact

    OpenPGP Argon2 S2K honours attacker-chosen memory and passes

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59648
    0 news outlets0 CERTs0 researchersCVSS 6.9
  15. 40impact

    Stapled OCSP response accepted without binding to the checked certificate

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-58062
    0 news outlets0 CERTs0 researchersCVSS 9.3
  16. 37impact

    CMS AuthenticatedData content not bound to MAC when authAttrs present

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59642
    0 news outlets0 CERTs0 researchersCVSS 8.7
  17. 27impact

    BKS/UBER keystore allocates from untrusted lengths before integrity check

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-12185
    0 news outlets0 CERTs0 researchersCVSS 7.1
  18. 33impact

    CRMF/CMP password-MAC honours unbounded iteration count

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59647
    0 news outlets0 CERTs0 researchersCVSS 6.9
  19. 36impact

    KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery)

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-12803
    0 news outlets0 CERTs0 researchersCVSS 8.7
  20. 23impact

    PKCS#12 MAC and bag-decryption KDF iteration-count bound (DoS)

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-13586
    0 news outlets0 CERTs0 researchersCVSS 5.3
  21. 38impact

    Possible OOM from unbounded up-front allocation on a definite-length read

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-14682
    0 news outlets0 CERTs0 researchersCVSS 8.7
  22. 40impact

    JSSE hostname verifier CN-fallback enabled by default despite documented opt-in

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59638
    0 news outlets0 CERTs0 researchersCVSS 9.3
  23. 37impact

    Zeroisation of sensitive key material on garbage collection relies on finalization

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-13505
    0 news outlets0 CERTs0 researchersCVSS 8.7
  24. 36impact

    NTRU leaks private key information by reducing secret values with a non-constant-time integer division

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-18036
    0 news outlets0 CERTs0 researchersCVSS 8.2
  25. 40impact

    MTI/A0 DH agreement exponentiates unvalidated peer value

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-59650
    0 news outlets0 CERTs0 researchersCVSS 9.3
  26. 30impact

    LDAP Injection Vulnerability in LDAPStoreHelper.java

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-0636
    0 news outlets0 CERTs0 researchersCVSS 5.5
  27. 22impact

    PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-15055
    0 news outlets0 CERTs0 researchersCVSS 5.3
  28. 36impact

    CMS verifySignatures returns true for SignedData with zero signers

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-59639
    0 news outlets0 CERTs0 researchersCVSS 8.7
  29. 32impact

    LDAP filter injection in legacy jdk1.4 LDAPStoreHelper

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-59652
    0 news outlets0 CERTs0 researchersCVSS 6.9
  30. 24impact

    Password-based KDF cost parameters honoured unbounded from untrusted input across the remaining PBE entry points

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-17508
    0 news outlets0 CERTs0 researchersCVSS 5.3
  31. 24impact

    BCFKS keystore load honours unbounded KDF cost from untrusted file

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-58063
    0 news outlets0 CERTs0 researchersCVSS 5.3
  32. 36impact

    IESEngine stream-mode MAC forgery via length-dependent KDF split

    Legion of the Bouncy Castle Inc. BC-JAVA CVE-2026-12816
    0 news outlets0 CERTs0 researchersCVSS 8.7
  33. 40impact

    HSS public-key level count unbounded, enabling huge allocation on verify

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-58060
    0 news outlets0 CERTs0 researchersCVSS 8.7
  34. 36impact

    CMS AuthEnvelopedData fails to enforce tag-length on decryption

    Legion of the Bouncy Castle Inc. BC-FJA CVE-2026-12802
    0 news outlets0 CERTs0 researchersCVSS 8.7