SUSE-SU-2026:21404-1

Vulnerability from csaf_suse - Published: 2026-04-24 15:54 - Updated: 2026-04-24 15:54
Summary
Security update for bouncycastle
Severity
Important
Notes
Title of the patch: Security update for bouncycastle
Description of the patch: This update for bouncycastle fixes the following issues: - Update to version 1.84: - CVE-2025-14813: GOSTCTR implementation unable to process more than 255 blocks correctly (bsc#1262225). - CVE-2026-0636: LDAP Injection Vulnerability in LDAPStoreHelper.java (bsc#1262226). - CVE-2026-3505: Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion (bsc#1262232). - CVE-2026-5588: PKIX draft CompositeVerifier accepts empty signature sequence as valid (bsc#1262228). - CVE-2026-5598: Non-constant time comparisons risk private key leakage in FrodoKEM (bsc#1262227).
Patchnames: SUSE-SLES-16.0-643
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2025-14813
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2026-0636
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2026-3505
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2026-5588
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2026-5598
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
To clipboard 

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  "vulnerabilities": [
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        {
          "category": "general",
          "text": "Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (core modules). This vulnerability is associated with program files G3413CTRBlockCipher.\n\nGOSTCTR implementation unable to process more than 255 blocks correctly.\n\n\nThis issue affects BC-JAVA: from 1.59 before 1.84.",
          "title": "CVE description"
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          "summary": "CVE-2025-14813",
          "url": "https://www.suse.com/security/cve/CVE-2025-14813"
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          "summary": "SUSE Bug 1262225 for CVE-2025-14813",
          "url": "https://bugzilla.suse.com/1262225"
        }
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        {
          "cvss_v3": {
            "baseScore": 8.6,
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
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          },
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        {
          "category": "impact",
          "date": "2026-04-24T15:54:52Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-14813"
    },
    {
      "cve": "CVE-2026-0636",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-0636"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Improper neutralization of special elements used in an LDAP query (\u0027LDAP injection\u0027) vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (prov modules). This vulnerability is associated with program files LDAPStoreHelper.\n\nThis issue affects BC-JAVA: from 1.74 before 1.84.",
          "title": "CVE description"
        }
      ],
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          "category": "external",
          "summary": "CVE-2026-0636",
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        {
          "category": "vendor_fix",
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        {
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        {
          "category": "general",
          "text": "Allocation of resources without limits or throttling, Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules). This vulnerability is associated with program files AEADEncDataPacket.Java, BcAEADUtil.Java, JceAEADUtil.Java, OperatorHelper.Java.\n\nThis issue affects BC-JAVA: from 1.74 before 1.84.",
          "title": "CVE description"
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        {
          "category": "general",
          "text": "Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules), Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All (pkix modules). This vulnerability is associated with program files JcaContentVerifierProviderBuilder.Java.\n\nThis issue affects BC-JAVA: from 1.67 before 1.84; BCPKIX-FIPS: from 2.0.6 before 2.0.11, from 2.1.7 before 2.1.11.",
          "title": "CVE description"
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    },
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        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-5598"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Covert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules). This vulnerability is associated with program files FrodoEngine.Java.\n\nThis issue affects BC-JAVA: from 1.71 before 1.84.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 16.0:bouncycastle-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server 16.0:bouncycastle-javadoc-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server 16.0:bouncycastle-jmail-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server 16.0:bouncycastle-mail-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server 16.0:bouncycastle-pg-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server 16.0:bouncycastle-pkix-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server 16.0:bouncycastle-tls-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server 16.0:bouncycastle-util-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-javadoc-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-jmail-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-mail-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-pg-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-pkix-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-tls-1.84-160000.1.1.noarch",
          "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-util-1.84-160000.1.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-5598",
          "url": "https://www.suse.com/security/cve/CVE-2026-5598"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1262227 for CVE-2026-5598",
          "url": "https://bugzilla.suse.com/1262227"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server 16.0:bouncycastle-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-javadoc-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-jmail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-mail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-pg-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-pkix-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-tls-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-util-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-javadoc-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-jmail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-mail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-pg-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-pkix-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-tls-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-util-1.84-160000.1.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 16.0:bouncycastle-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-javadoc-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-jmail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-mail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-pg-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-pkix-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-tls-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server 16.0:bouncycastle-util-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-javadoc-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-jmail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-mail-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-pg-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-pkix-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-tls-1.84-160000.1.1.noarch",
            "SUSE Linux Enterprise Server for SAP applications 16.0:bouncycastle-util-1.84-160000.1.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-24T15:54:52Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-5598"
    }
  ]
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.