# RHSA-2026:76877: libgs security update

RHSA-2026:76877, released October 7, 2026, fixes 1 CVE in libgs (version 0:9.27-18.el8_10). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-76877
- Platform: Linux
- Released: Oct 7, 2026
- Priority: High (Closes CVE-2026-39919, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:76877

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libgs](https://patchblox.com/security/data/product/linux/libgs.md) | RHEL 8 | 0:9.27-18.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-39919](https://patchblox.com/security/data/cve/CVE-2026-39919.md) | High | ghostscript: Ghostscript before 10.08.0 contains a heap-based buffer overflow vulnerability in the JPEG 2000 output adapter (base/... | 7.8 | 0.0085 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo