Linux · SUSE Linux Enterprise · Security advisory · November 7, 2026
SUSE-SU-2026:24461-1: bouncycastle security update
SUSE-SU-2026:24461-1, released November 7, 2026, fixes 14 CVEs in bouncycastle (version 1.86-160000.1.1). 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 16.0 | 1.86-160000.1.1 |
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
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