# ELSA-2026-19145: Security update for 8 packages

ELSA-2026-19145, released July 16, 2026, fixes 2 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-19145
- Platform: Linux
- Released: Jul 16, 2026
- Priority: High (Closes CVE-2026-40355, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-19145.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [krb5-devel](https://patchblox.com/security/data/product/linux/krb5-devel.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |
| [krb5-libs](https://patchblox.com/security/data/product/linux/krb5-libs.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |
| [krb5-pkinit](https://patchblox.com/security/data/product/linux/krb5-pkinit.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |
| [krb5-server](https://patchblox.com/security/data/product/linux/krb5-server.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |
| [krb5-server-ldap](https://patchblox.com/security/data/product/linux/krb5-server-ldap.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |
| [krb5-workstation](https://patchblox.com/security/data/product/linux/krb5-workstation.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |
| [krb5-xrealmauthz](https://patchblox.com/security/data/product/linux/krb5-xrealmauthz.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |
| [libkadm5](https://patchblox.com/security/data/product/linux/libkadm5.md) | ol 10 | 0:1.21.3-10.0.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-40355](https://patchblox.com/security/data/cve/CVE-2026-40355.md) | High | krb5-admin-server: In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_se... | 7.5 | 0.0065 |  |
| [CVE-2026-40356](https://patchblox.com/security/data/cve/CVE-2026-40356.md) | High | krb5-admin-server: In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an appl... | 7.5 | 0.0060 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo