# RHSA-2026:61623: gzip security update

RHSA-2026:61623, released September 13, 2026, fixes 2 CVEs in gzip (version 0:1.12-2.el9_8). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-61623
- Platform: Linux
- Released: Sep 13, 2026
- Priority: High (Closes CVE-2026-41992, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:61623

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [gzip](https://patchblox.com/security/data/product/linux/gzip.md) | RHEL 9 | 0:1.12-2.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-41992](https://patchblox.com/security/data/cve/CVE-2026-41992.md) | High | Global Buffer Overflow in GNU gzip | 7.5 | 0.0062 |  |
| [CVE-2026-41991](https://patchblox.com/security/data/cve/CVE-2026-41991.md) | Routine | gzip: GNU gzip contains a vulnerability in the gzexe utility related to insecure temporary file handling | 6.0 | 0.0012 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo