SUSE-SU-2026:4797-1
SUSE-SU-2026:4797-1 · Security update for bouncycastle
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
This update for bouncycastle fixes the following issues: - CVE-2026-17507: negative signed leaf_index values from unsigned wire encodings can cause heap exhaustion (bsc#1284075). - CVE-2026-17508: unbounded KDF iteration and memory parameters can cause resource exhaustion (bsc#1284073). - CVE-2026-18036: variable-time modulo and division operations in NTRU implementation can allow timing side-channel attacks (bsc#1284065). - CVE-2026-18040: table lookups and variable-time duplicate scanning in HQC can cause cache side-channel leaks (bsc#1284205). - CVE-2026-71885: unbound X.509 certificates in MLS LeafNode verification can cause identity impersonation and group message interception (bsc#1284165). - CVE-2026-71886: unvalidated CERTIFY_OTHER flags in OpenPGP subkeys can cause unauthorized trust delegations and identity spoofing (bsc#1284212). - CVE-2026-71887: missing primary key back-signature validation on subkeys can cause signature misattribution and trust context spoofing (bsc#1284213). - CVE-2026-71888: disagreement between digestAlgorithm and authAttrs in CMS parsing can cause unauthenticated attribute injection (bsc#1284215). - CVE-2026-71889: skipped leaf certificate evaluation in checkNameConstraints can cause X.509 name constraint bypasses (bsc#1284218). - CVE-2026-71890: unbounded Remove proposals in external MLS commits can cause arbitrary group member eviction and session takeover (bsc#1284219). - CVE-2026-71891: forged ECPoint curves in BLS12-381 key validation can cause aggregate signature verification bypasses (bsc#1284220). - CVE-2026-71892: type mismatch in CMS key-transport validation can cause key-size enforcement bypasses for HKDF-derived content keys (bsc#1284221). - CVE-2026-85515: laundered EOF exceptions in OpenPGP message stream processing can cause unregistered truncation errors and integrity check bypasses (bsc#1284222). - CVE-2026-97873: unbounded iteration counts in legacy PBES1 and PKCS#12 PBE implementations can cause resource exhaustion (bsc#1284224). Changes for bouncycastle: - Updated to version 1.86.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
bouncycastle SUSE:Linux Enterprise Module for Development Tools 15 SP7
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise Server 15 SP4-LTSS
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise Server 15 SP5-LTSS
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise Server 15 SP6-LTSS
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise Server for SAP Applications 15 SP4
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise Server for SAP Applications 15 SP5
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
bouncycastle SUSE:Linux Enterprise Server for SAP Applications 15 SP6
- Affected ranges
- ECOSYSTEM: < 1.86-150200.3.41.1
Update to 1.86-150200.3.41.1
Original sources
- https://www.suse.com/support/update/announcement/2026/suse-su-20264797-1/
- https://bugzilla.suse.com/1284065
- https://bugzilla.suse.com/1284073
- https://bugzilla.suse.com/1284075
- https://bugzilla.suse.com/1284165
- https://bugzilla.suse.com/1284205
- https://bugzilla.suse.com/1284212
- https://bugzilla.suse.com/1284213
- https://bugzilla.suse.com/1284215
- https://bugzilla.suse.com/1284218
- https://bugzilla.suse.com/1284219
- https://bugzilla.suse.com/1284220
- https://bugzilla.suse.com/1284221
- https://bugzilla.suse.com/1284222
- https://bugzilla.suse.com/1284224
- https://www.suse.com/security/cve/CVE-2026-17507
- https://www.suse.com/security/cve/CVE-2026-17508
- https://www.suse.com/security/cve/CVE-2026-18036
- https://www.suse.com/security/cve/CVE-2026-18040
- https://www.suse.com/security/cve/CVE-2026-71885
- https://www.suse.com/security/cve/CVE-2026-71886
- https://www.suse.com/security/cve/CVE-2026-71887
- https://www.suse.com/security/cve/CVE-2026-71888
- https://osv.dev/vulnerability/SUSE-SU-2026:4797-1