# RHSA-2026:15980: rhc security update

RHSA-2026:15980, released May 15, 2026, fixes 3 CVEs in rhc (version 1:0.2.5-7.el8_10). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-15980
- Platform: Linux
- Released: May 15, 2026
- Priority: High (Closes CVE-2026-32283, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:15980

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [rhc](https://patchblox.com/security/data/product/linux/rhc.md) | RHEL 8 | 1:0.2.5-7.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-32283](https://patchblox.com/security/data/cve/CVE-2026-32283.md) | High | Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls | 9.1 | 0.0063 |  |
| [CVE-2026-32280](https://patchblox.com/security/data/cve/CVE-2026-32280.md) | High | Unexpected work during chain building in crypto/x509 | 9.1 | 0.0063 |  |
| [CVE-2026-32282](https://patchblox.com/security/data/cve/CVE-2026-32282.md) | High | TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix | 9.1 | 0.0030 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo