Linux · SUSE Linux Enterprise · Security advisory · November 7, 2026
SUSE-SU-2026:4797-1: bouncycastle security update
SUSE-SU-2026:4797-1, released November 7, 2026, fixes 14 CVEs in bouncycastle (version 1.86-150200.3.41.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
14
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0042
36th percentile
Priority of the 14 CVEs
Patch now 0
Urgent 0
High 1
Routine 13
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| bouncycastle | sles 15.6 | 1.86-150200.3.41.1 |
| bouncycastle | sles 15.7 | 1.86-150200.3.41.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-17507 | bouncycastle: negative signed leaf_index values from unsigned wire encodings can cause heap exhaustion | 7.5 | 0.0042 | None reported |
| Routine | CVE-2026-17508 | bouncycastle: unbounded KDF iteration and memory parameters can cause resource exhaustion (bsc#1284073). | n/a | 0.0042 | None reported |
| Routine | CVE-2026-18036 | bouncycastle: variable-time modulo and division operations in NTRU implementation can allow timing side-channel | n/a | 0.0028 | None reported |
| Routine | CVE-2026-97873 | bouncycastle: unbounded iteration counts in legacy PBES1 and PKCS#12 PBE implementations can cause resource | n/a | 0.0026 | None reported |
| Routine | CVE-2026-71890 | bouncycastle: unbounded Remove proposals in external MLS commits can cause arbitrary group member eviction and | n/a | 0.0025 | None reported |
| Routine | CVE-2026-71885 | bouncycastle: unbound X.509 certificates in MLS LeafNode verification can cause identity impersonation and group | n/a | 0.0020 | None reported |
| Routine | CVE-2026-71891 | bouncycastle: forged ECPoint curves in BLS12-381 key validation can cause aggregate signature verification bypasses | n/a | 0.0017 | None reported |
| Routine | CVE-2026-71892 | bouncycastle: type mismatch in CMS key-transport validation can cause key-size enforcement bypasses for HKDF-derived | n/a | 0.0017 | None reported |
| Routine | CVE-2026-71886 | bouncycastle: unvalidated CERTIFY_OTHER flags in OpenPGP subkeys can cause unauthorized trust delegations and | n/a | 0.0017 | None reported |
| Routine | CVE-2026-71889 | bouncycastle: skipped leaf certificate evaluation in checkNameConstraints can cause X.509 name constraint bypasses | n/a | 0.0017 | None reported |
| Routine | CVE-2026-85515 | bouncycastle: laundered EOF exceptions in OpenPGP message stream processing can cause unregistered truncation errors | n/a | 0.0016 | None reported |
| Routine | CVE-2026-71888 | bouncycastle: disagreement between digestAlgorithm and authAttrs in CMS parsing can cause unauthenticated attribute | n/a | 0.0011 | None reported |
| Routine | CVE-2026-18040 | bouncycastle: table lookups and variable-time duplicate scanning in HQC can cause cache side-channel leaks | n/a | 0.0011 | None reported |
| Routine | CVE-2026-71887 | bouncycastle: missing primary key back-signature validation on subkeys can cause signature misattribution and trust | n/a | 0.0009 | None reported |
Showing 1 to 14 of 14
1
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.