# ALSA-2026:88360: postgresql18-pgvector security update

ALSA-2026:88360, released November 7, 2026, fixes 1 CVE in postgresql18-pgvector (version 0.8.7-1.el10_2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-88360
- Platform: Linux
- Released: Nov 7, 2026
- Priority: High (Closes CVE-2026-103484, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:88360

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [postgresql18-pgvector](https://patchblox.com/security/data/product/linux/postgresql18-pgvector.md) | almalinux 10 | 0.8.7-1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-103484](https://patchblox.com/security/data/cve/CVE-2026-103484.md) | High | pgvector: IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to ar... | 8.8 | 0.0042 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo