Security update for bouncycastle

Announcement ID: SUSE-SU-2026:21404-1
Release Date: 2026-04-24T15:26:29Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-14813 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
  • CVE-2025-14813 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
  • CVE-2025-14813 ( NVD ): 9.3 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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:M/U:Red
  • CVE-2026-0636 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-0636 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • CVE-2026-0636 ( NVD ): 5.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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:N/AU:Y/R:A/V:X/RE:M/U:Amber
  • CVE-2026-3505 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-3505 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-3505 ( NVD ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:X
  • CVE-2026-5588 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-5588 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • CVE-2026-5588 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/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
  • CVE-2026-5598 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
  • CVE-2026-5598 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
  • CVE-2026-5598 ( NVD ): 8.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/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:P/AU:Y/R:X/V:X/RE:X/U:Red
Affected Products:
  • SUSE Linux Enterprise Server 16.0
  • SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves five vulnerabilities can now be installed.

Description:

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).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Server for SAP applications 16.0
    zypper in -t patch SUSE-SLES-16.0-643=1
  • SUSE Linux Enterprise Server 16.0
    zypper in -t patch SUSE-SLES-16.0-643=1

Package List:

  • SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    • bouncycastle-util-1.84-160000.1.1
    • bouncycastle-pkix-1.84-160000.1.1
    • bouncycastle-jmail-1.84-160000.1.1
    • bouncycastle-pg-1.84-160000.1.1
    • bouncycastle-tls-1.84-160000.1.1
    • bouncycastle-mail-1.84-160000.1.1
    • bouncycastle-javadoc-1.84-160000.1.1
    • bouncycastle-1.84-160000.1.1
  • SUSE Linux Enterprise Server 16.0 (noarch)
    • bouncycastle-util-1.84-160000.1.1
    • bouncycastle-pkix-1.84-160000.1.1
    • bouncycastle-jmail-1.84-160000.1.1
    • bouncycastle-pg-1.84-160000.1.1
    • bouncycastle-tls-1.84-160000.1.1
    • bouncycastle-mail-1.84-160000.1.1
    • bouncycastle-javadoc-1.84-160000.1.1
    • bouncycastle-1.84-160000.1.1

References: