# SUSE-SU-2026:3559-1: bouncycastle security update

SUSE-SU-2026:3559-1, released August 10, 2026, fixes 32 CVEs in bouncycastle (version 1.85-150200.3.38.1). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2026-3559-1
- Platform: Linux
- Released: Aug 10, 2026
- Priority: Urgent (Closes CVE-2026-8763, rated Critical)
- CVEs: 32, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:3559-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bouncycastle](https://patchblox.com/security/data/product/linux/bouncycastle.md) | sles 15.6 | 1.85-150200.3.38.1 |
| [bouncycastle](https://patchblox.com/security/data/product/linux/bouncycastle.md) | sles 15.7 | 1.85-150200.3.38.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-8763](https://patchblox.com/security/data/cve/CVE-2026-8763.md) | Urgent | bouncycastle: Name Constraints bypass via trailing dot in rfc822Name and URI (bsc#1272700). | 9.1 | 0.0043 |  |
| [CVE-2026-58062](https://patchblox.com/security/data/cve/CVE-2026-58062.md) | Urgent | bouncycastle: Stapled OCSP response accepted without binding to the checked certificate (bsc#1272716). | 9.1 | 0.0036 |  |
| [CVE-2026-59650](https://patchblox.com/security/data/cve/CVE-2026-59650.md) | Urgent | bouncycastle: MTI/A0 DH agreement exponentiates unvalidated peer value (bsc#1272730). | 9.1 | 0.0034 |  |
| [CVE-2026-13586](https://patchblox.com/security/data/cve/CVE-2026-13586.md) | High | bouncycastle: PKCS#12 MAC and bag-decryption KDF iteration-count bound (bsc#1272710). | 7.5 | 0.0062 |  |
| [CVE-2026-58060](https://patchblox.com/security/data/cve/CVE-2026-58060.md) | High | bouncycastle: HSS public-key level count unbounded, enabling huge allocation on verify (bsc#1272714). | 7.5 | 0.0062 |  |
| [CVE-2026-12852](https://patchblox.com/security/data/cve/CVE-2026-12852.md) | High | bouncycastle: MLS wire decoder allocates attacker-declared opaque length before bounds check (bsc#1272707). | 7.5 | 0.0049 |  |
| [CVE-2026-13506](https://patchblox.com/security/data/cve/CVE-2026-13506.md) | High | bouncycastle: Lazy ASN.1 sequence forcing resets nesting-depth guard (bsc#1272709). | 7.5 | 0.0049 |  |
| [CVE-2026-14682](https://patchblox.com/security/data/cve/CVE-2026-14682.md) | High | bouncycastle: Possible OOM from unbounded up-front allocation on a definite-length read (bsc#1272711). | 7.5 | 0.0049 |  |
| [CVE-2026-58059](https://patchblox.com/security/data/cve/CVE-2026-58059.md) | High | bouncycastle: Quadratic-time escaping when stringifying X.500 distinguished names (bsc#1272713). | 7.5 | 0.0049 |  |
| [CVE-2026-59644](https://patchblox.com/security/data/cve/CVE-2026-59644.md) | High | bouncycastle: MLS hash-ratchet honours arbitrary 32-bit generation counter from sender (bsc#1272724). | 7.5 | 0.0049 |  |
| [CVE-2026-59649](https://patchblox.com/security/data/cve/CVE-2026-59649.md) | High | bouncycastle: OpenPGP user-attribute subpacket length bounded only by JVM max memory (bsc#1272729). | 7.5 | 0.0049 |  |
| [CVE-2026-59646](https://patchblox.com/security/data/cve/CVE-2026-59646.md) | High | bouncycastle: DTLS handshake reassembler allocates buffer from unchecked 24-bit length (bsc#1272726). | 7.5 | 0.0047 |  |
| [CVE-2026-59645](https://patchblox.com/security/data/cve/CVE-2026-59645.md) | High | bouncycastle: OER parser recurses without depth limit on self-referential IEEE 1609.2 schema (bsc#1272725). | 7.5 | 0.0041 |  |
| [CVE-2026-15055](https://patchblox.com/security/data/cve/CVE-2026-15055.md) | High | bouncycastle: PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input (bsc#1272712). | 8.2 | 0.0034 |  |
| [CVE-2026-59642](https://patchblox.com/security/data/cve/CVE-2026-59642.md) | High | bouncycastle: CMS AuthenticatedData content not bound to MAC when authAttrs present (bsc#1272722). | 7.5 | 0.0030 |  |
| [CVE-2026-12185](https://patchblox.com/security/data/cve/CVE-2026-12185.md) | High | bouncycastle: BKS/UBER keystore allocates from untrusted lengths before integrity check (bsc#1272701). | 8.6 | 0.0029 |  |
| [CVE-2026-58061](https://patchblox.com/security/data/cve/CVE-2026-58061.md) | High | bouncycastle: CCM-family modes write plaintext to caller buffer before tag check (bsc#1272715). | 7.5 | 0.0028 |  |
| [CVE-2026-59639](https://patchblox.com/security/data/cve/CVE-2026-59639.md) | High | bouncycastle: CMS verifySignatures returns true for SignedData with zero signers (bsc#1272719). | 7.5 | 0.0024 |  |
| [CVE-2026-59643](https://patchblox.com/security/data/cve/CVE-2026-59643.md) | High | bouncycastle: OpenPGP inline-signature policy failures silently ignored (bsc#1272723). | 7.5 | 0.0024 |  |
| [CVE-2026-12803](https://patchblox.com/security/data/cve/CVE-2026-12803.md) | High | bouncycastle: KCCMBlockCipher MAC does not bind nonce when AAD is absent (bsc#1272703). | 7.5 | 0.0024 |  |
| [CVE-2026-59651](https://patchblox.com/security/data/cve/CVE-2026-59651.md) | High | bouncycastle: BKS keystore accepts legacy version with 16-bit integrity MAC key (bsc#1272731). | 7.5 | 0.0020 |  |
| [CVE-2026-12802](https://patchblox.com/security/data/cve/CVE-2026-12802.md) | High | bouncycastle: CMS AuthEnvelopedData fails to enforce tag-length on decryption (bsc#1272702). | 7.5 | 0.0020 |  |
| [CVE-2026-12816](https://patchblox.com/security/data/cve/CVE-2026-12816.md) | High | bouncycastle: IESEngine stream-mode MAC forgery via length-dependent KDF split (bsc#1272704). | 7.5 | 0.0018 |  |
| [CVE-2026-12817](https://patchblox.com/security/data/cve/CVE-2026-12817.md) | High | bouncycastle: OpenPGP AEAD decryption skips final tag on chunk-aligned data (bsc#1272705). | 8.6 | 0.0017 |  |
| [CVE-2026-58063](https://patchblox.com/security/data/cve/CVE-2026-58063.md) | Routine | bouncycastle: BCFKS keystore load honours unbounded KDF cost from untrusted file (bsc#1272717). | 5.3 | 0.0042 |  |
| [CVE-2026-59647](https://patchblox.com/security/data/cve/CVE-2026-59647.md) | Routine | bouncycastle: CRMF/CMP password-MAC honours unbounded iteration count (bsc#1272727). | 5.3 | 0.0042 |  |
| [CVE-2026-59648](https://patchblox.com/security/data/cve/CVE-2026-59648.md) | Routine | bouncycastle: OpenPGP Argon2 S2K honours attacker-chosen memory and passes (bsc#1272728). | 5.3 | 0.0042 |  |
| [CVE-2026-59640](https://patchblox.com/security/data/cve/CVE-2026-59640.md) | Routine | bouncycastle: OpenPGP CFB quick-check oracle active on symmetric/session-key paths (bsc#1272720). | 5.3 | 0.0035 |  |
| [CVE-2026-59638](https://patchblox.com/security/data/cve/CVE-2026-59638.md) | Routine | bouncycastle: JSSE hostname verifier CN-fallback enabled by default despite documented opt-in (bsc#1272718). | 6.5 | 0.0035 |  |
| [CVE-2026-59652](https://patchblox.com/security/data/cve/CVE-2026-59652.md) | Routine | bouncycastle: LDAP filter injection in legacy jdk1.4 LDAPStoreHelper (bsc#1272732). | 6.5 | 0.0030 |  |
| [CVE-2026-59641](https://patchblox.com/security/data/cve/CVE-2026-59641.md) | Routine | bouncycastle: S/MIME validator trusts signer-asserted signingTime for path validation (bsc#1272721). | 5.3 | 0.0018 |  |
| [CVE-2026-12860](https://patchblox.com/security/data/cve/CVE-2026-12860.md) | Routine | bouncycastle: RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path (bsc#1272708). | 5.3 | 0.0017 |  |

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Data as of 2026-11-11T01:43:54Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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