# RHSA-2026:8510: Security update for 3 packages

RHSA-2026:8510, released April 30, 2026, fixes 2 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-8510
- Platform: Linux
- Released: Apr 30, 2026
- Priority: High (Closes CVE-2026-4424, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:8510

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bsdtar](https://patchblox.com/security/data/product/linux/bsdtar.md) | RHEL 9 | 0:3.5.3-9.el9_7 |
| [libarchive](https://patchblox.com/security/data/product/linux/libarchive.md) | RHEL 9 | 0:3.5.3-9.el9_7 |
| [libarchive-devel](https://patchblox.com/security/data/product/linux/libarchive-devel.md) | RHEL 9 | 0:3.5.3-9.el9_7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-4424](https://patchblox.com/security/data/cve/CVE-2026-4424.md) | High | Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing | 7.5 | 0.0129 |  |
| [CVE-2026-5121](https://patchblox.com/security/data/cve/CVE-2026-5121.md) | High | bsdtar: The libarchive programming library can create and read several different streaming archive formats, including GNU tar... | 7.5 | 0.0109 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo