# RHSA-2023:6707: Security update for 10 packages

RHSA-2023:6707, released November 7, 2023, fixes 3 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-6707
- Platform: Linux
- Released: Nov 7, 2023
- Priority: Routine (Closes 3 CVEs, none high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:6707

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [avahi](https://patchblox.com/security/data/product/linux/avahi.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-compat-howl](https://patchblox.com/security/data/product/linux/avahi-compat-howl.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-compat-howl-devel](https://patchblox.com/security/data/product/linux/avahi-compat-howl-devel.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-compat-libdns_sd](https://patchblox.com/security/data/product/linux/avahi-compat-libdns-sd.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-compat-libdns_sd-devel](https://patchblox.com/security/data/product/linux/avahi-compat-libdns-sd-devel.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-devel](https://patchblox.com/security/data/product/linux/avahi-devel.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-glib](https://patchblox.com/security/data/product/linux/avahi-glib.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-glib-devel](https://patchblox.com/security/data/product/linux/avahi-glib-devel.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-libs](https://patchblox.com/security/data/product/linux/avahi-libs.md) | RHEL 9 | 0:0.8-15.el9 |
| [avahi-tools](https://patchblox.com/security/data/product/linux/avahi-tools.md) | RHEL 9 | 0:0.8-15.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-3468](https://patchblox.com/security/data/cve/CVE-2021-3468.md) | Routine | avahi: Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Netwo... | 6.2 | 0.0044 |  |
| [CVE-2023-1981](https://patchblox.com/security/data/cve/CVE-2023-1981.md) | Routine | avahi: Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Netwo... | 6.2 | 0.0039 |  |
| [CVE-2021-3502](https://patchblox.com/security/data/cve/CVE-2021-3502.md) | Routine | avahi: Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Netwo... | 5.5 | 0.0037 |  |

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Data as of 2026-11-07T18:46:35Z 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

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