# ALAS2023-2026-3405: Security update for 7 packages

ALAS2023-2026-3405, released November 10, 2026, fixes 9 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2026-3405
- Platform: Linux
- Released: Nov 10, 2026
- Priority: High (Closes CVE-2026-13586, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2026-3405.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bouncycastle](https://patchblox.com/security/data/product/linux/bouncycastle.md) | amzn 2023 | 1.70-4.amzn2023.0.9 |
| [bouncycastle-javadoc](https://patchblox.com/security/data/product/linux/bouncycastle-javadoc.md) | amzn 2023 | 1.70-4.amzn2023.0.9 |
| [bouncycastle-mail](https://patchblox.com/security/data/product/linux/bouncycastle-mail.md) | amzn 2023 | 1.70-4.amzn2023.0.9 |
| [bouncycastle-pg](https://patchblox.com/security/data/product/linux/bouncycastle-pg.md) | amzn 2023 | 1.70-4.amzn2023.0.9 |
| [bouncycastle-pkix](https://patchblox.com/security/data/product/linux/bouncycastle-pkix.md) | amzn 2023 | 1.70-4.amzn2023.0.9 |
| [bouncycastle-tls](https://patchblox.com/security/data/product/linux/bouncycastle-tls.md) | amzn 2023 | 1.70-4.amzn2023.0.9 |
| [bouncycastle-util](https://patchblox.com/security/data/product/linux/bouncycastle-util.md) | amzn 2023 | 1.70-4.amzn2023.0.9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [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-2026-15055](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-2026-12185](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-2026-59651](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-2026-58063](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-2026-12860](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 2026-11-11T13:47:35Z 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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