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High WID-SEC-2026-2622 32 CVEs

Bouncy Castle: Mehrere Schwachstellen

Published Aug 2, 2026 · Updated Nov 11, 2026 · Revision 17 · de

Vendor: Dell Vendor: IBM Vendor: Red Hat Vendor: SUSE Product: App Connect Enterprise Product: Enterprise Linux Product: Integration Bus Product: License Metric Tool Product: Linux Product: openSUSE Product: Operational Decision Manager Product: QRadar SIEM Product: Secure Connect Gateway Product: SPSS Product: Tivoli Network Manager Platform: Windows

Summary

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Bouncy Castle ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren, sensible Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.

Product

Bouncy Castle ist eine Kryptographie-API für Java.

Vulnerabilities 32

  • Critical 9.3
    CVE-2026-58062 Public exploit

    Stapled OCSP response accepted without binding to the checked certificate

    In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) a…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu Wolfi
  • Critical 9.3
    CVE-2026-59638

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

    In Bouncy Castle for Java before 1.85, JSSE hostname verifier CN-fallback enabled by default despite documented opt-in. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • Critical 9.3
    CVE-2026-59650

    MTI/A0 DH agreement exponentiates unvalidated peer value

    In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA keycloak-26.6-iamguarded-compat Debian Ubuntu Wolfi
  • Critical 9.3
    CVE-2026-8763

    Name Constraints bypass via trailing dot in rfc822Name and URI

    In Bouncy Castle for Java before 1.85, Name Constraints bypass via trailing dot in rfc822Name and URI. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu Wolfi Maven
  • High 8.7
    CVE-2026-12802

    CMS AuthEnvelopedData fails to enforce tag-length on decryption

    In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.1…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-12803

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

    In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery). This issue also affects Bouncy Castle for Java LTS before 2.73.12.

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA bouncycastle Debian Ubuntu
  • High 8.7
    CVE-2026-12816

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

    In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA bouncycastle Debian Ubuntu
  • High 8.7
    CVE-2026-12817

    OpenPGP AEAD decryption skips final tag on chunk-aligned data

    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…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-12852

    MLS wire decoder allocates attacker-declared opaque length before bounds check

    In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check.

    Legion of the Bouncy Castle BC-JAVA bouncycastle bouncycastle Debian Ubuntu
  • High 8.7
    CVE-2026-12860

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

    In Bouncy Castle for Java before 1.85, RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA bouncycastle Debian Ubuntu
  • High 8.7
    CVE-2026-13506

    Lazy ASN.1 sequence forcing resets nesting-depth guard

    In Bouncy Castle for Java before 1.85, Lazy ASN.1 sequence forcing resets nesting-depth guard. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X seri…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu Wolfi Maven
  • High 8.7
    CVE-2026-14682

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

    In Bouncy Castle for Java before 1.85, Possible OOM from unbounded up-front allocation on a definite-length read. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series)…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-58059

    Quadratic-time escaping when stringifying X.500 distinguished names

    In Bouncy Castle for Java before 1.85, Quadratic-time escaping when stringifying X.500 distinguished names. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-58060

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

    In Bouncy Castle for Java before 1.85, HSS public-key level count unbounded, enabling huge allocation on verify. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) an…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-58061

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

    In Bouncy Castle for Java before 1.85, CCM-family modes write plaintext to caller buffer before tag check. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-59639

    CMS verifySignatures returns true for SignedData with zero signers

    In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-59640

    OpenPGP CFB quick-check oracle active on symmetric/session-key paths

    In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. 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.…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-59641

    S/MIME validator trusts signer-asserted signingTime for path validation

    In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-59642

    CMS AuthenticatedData content not bound to MAC when authAttrs present

    In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series),…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-59643

    OpenPGP inline-signature policy failures silently ignored

    In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13.

    Legion of the Bouncy Castle BC-JAVA BC-FJA bouncycastle Debian Ubuntu
  • High 8.7
    CVE-2026-59644

    MLS hash-ratchet honours arbitrary 32-bit generation counter from sender

    In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.

    Legion of the Bouncy Castle BC-JAVA bouncycastle bouncycastle Debian Ubuntu
  • High 8.7
    CVE-2026-59645

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

    In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcutil-fips 2.0.7 (2.0.X …

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-59646

    DTLS handshake reassembler allocates buffer from unchecked 24-bit length

    In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 8.7
    CVE-2026-59649

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

    In Bouncy Castle for Java before 1.85, OpenPGP user-attribute subpacket length bounded only by JVM max memory. 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), …

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • High 7.1
    CVE-2026-12185

    BKS/UBER keystore allocates from untrusted lengths before integrity check

    In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA bouncycastle Debian Ubuntu
  • High 7.1
    CVE-2026-59651

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

    In Bouncy Castle for Java before 1.85, BKS keystore accepts legacy version with 16-bit integrity MAC key. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA bouncycastle Debian Ubuntu
  • Medium 6.9
    CVE-2026-59647

    CRMF/CMP password-MAC honours unbounded iteration count

    In Bouncy Castle for Java before 1.85, CRMF/CMP password-MAC honours unbounded iteration count. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • Medium 6.9
    CVE-2026-59648

    OpenPGP Argon2 S2K honours attacker-chosen memory and passes

    In Bouncy Castle for Java before 1.85, OpenPGP Argon2 S2K honours attacker-chosen memory and passes. 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.…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • Medium 6.9
    CVE-2026-59652

    LDAP filter injection in legacy jdk1.4 LDAPStoreHelper

    In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.

    Legion of the Bouncy Castle BC-JAVA bouncycastle bouncycastle Debian Ubuntu
  • Medium 5.3
    CVE-2026-13586

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

    In Bouncy Castle for Java before 1.85, PKCS#12 MAC and bag-decryption KDF iteration-count bound (DoS). This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • Medium 5.3
    CVE-2026-15055

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

    In Bouncy Castle for Java before 1.85, PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu
  • Medium 5.3
    CVE-2026-58063

    BCFKS keystore load honours unbounded KDF cost from untrusted file

    In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2…

    Legion of the Bouncy Castle BC-JAVA BC-LTS-JAVA BC-FJA Debian Ubuntu

Revision history

  1. #17

    Neue Updates von Red Hat aufgenommen

  2. #16

    Neue Updates von IBM und IBM-APAR aufgenommen

  3. #15

    Neue Updates von Red Hat aufgenommen

  4. #14

    Neue Updates von IBM aufgenommen

  5. #13

    Neue Updates von Red Hat und IBM aufgenommen

  6. #12

    Neue Updates von IBM aufgenommen

  7. #11

    Neue Updates von IBM und Red Hat aufgenommen

  8. #10

    Neue Updates von Red Hat aufgenommen

  9. #9

    Neue Updates von Red Hat aufgenommen

  10. #8

    Neue Updates von IBM und Red Hat aufgenommen

  11. #7

    Neue Updates von IBM aufgenommen

  12. #6

    Neue Updates von Dell aufgenommen

  13. #5

    Neue Updates von SUSE aufgenommen

  14. #4

    Neue Updates von SUSE aufgenommen

  15. #3

    Neue Updates von openSUSE aufgenommen

  16. #2

    Neue Updates von openSUSE aufgenommen

  17. #1

    Initiale Fassung

References