# RHSA-2026:84591: emacs security update

RHSA-2026:84591, released September 14, 2026, fixes 3 CVEs in emacs (version 29.4-14.el10_2.3). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-84591
- Platform: Linux
- Released: Sep 14, 2026
- Priority: High (Closes CVE-2026-79992, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:84591

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [emacs](https://patchblox.com/security/data/product/linux/emacs.md) | RHEL 10 | 29.4-14.el10_2.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-79992](https://patchblox.com/security/data/cve/CVE-2026-79992.md) | High | Emacs: local shell command injection through the user field in emacs tramp | 7.8 | 0.0022 |  |
| [CVE-2026-96442](https://patchblox.com/security/data/cve/CVE-2026-96442.md) | High | Emacs: emacs: arbitrary code execution in flymake mode | 7.8 | 0.0020 |  |
| [CVE-2026-77219](https://patchblox.com/security/data/cve/CVE-2026-77219.md) | High | GNU Emacs < 31.0.91 Heap Over-Read via PBM/PPM/PGM Image Loader | 7.8 | 0.0013 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo