# Python-Zeroconf vulnerabilities

Source: https://junglewise.ai/threats/technologies/python-zeroconf  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/python-zeroconf.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Python-Zeroconf: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-48487, was published on 17 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About Python-Zeroconf

A pure Python implementation of multicast DNS service discovery.

## Latest Python-Zeroconf vulnerabilities

- [CVE-2026-48487: python-zeroconf cache poisoning via unvalidated RDLENGTH](https://junglewise.ai/threats/cve-2026-48487-python-zeroconf-cache-poisoning-via-unvalidated-rdlength) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-48045: python-zeroconf denial of service via unbounded TC-deferred queue](https://junglewise.ai/threats/cve-2026-48045-python-zeroconf-denial-of-service-via-unbounded-tc-deferred-queue) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-47184: python-zeroconf memory exhaustion via unbounded DNS cache](https://junglewise.ai/threats/cve-2026-47184-python-zeroconf-memory-exhaustion-via-unbounded-dns-cache) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-47183: python-zeroconf memory exhaustion via malformed mDNS packets](https://junglewise.ai/threats/cve-2026-47183-python-zeroconf-memory-exhaustion-via-malformed-mdns-packets) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-47180: python-zeroconf uncontrolled recursion in DNS compression-pointer decoder](https://junglewise.ai/threats/cve-2026-47180-python-zeroconf-uncontrolled-recursion-in-dns-compression-pointer) (medium, CVSS 6.5, published 17 Jul 2026)

## Most severe Python-Zeroconf vulnerabilities

- [CVE-2026-48487: python-zeroconf cache poisoning via unvalidated RDLENGTH](https://junglewise.ai/threats/cve-2026-48487-python-zeroconf-cache-poisoning-via-unvalidated-rdlength) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-47184: python-zeroconf memory exhaustion via unbounded DNS cache](https://junglewise.ai/threats/cve-2026-47184-python-zeroconf-memory-exhaustion-via-unbounded-dns-cache) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-47183: python-zeroconf memory exhaustion via malformed mDNS packets](https://junglewise.ai/threats/cve-2026-47183-python-zeroconf-memory-exhaustion-via-malformed-mdns-packets) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-48045: python-zeroconf denial of service via unbounded TC-deferred queue](https://junglewise.ai/threats/cve-2026-48045-python-zeroconf-denial-of-service-via-unbounded-tc-deferred-queue) (medium, CVSS 6.5, published 17 Jul 2026)
- [CVE-2026-47180: python-zeroconf uncontrolled recursion in DNS compression-pointer decoder](https://junglewise.ai/threats/cve-2026-47180-python-zeroconf-uncontrolled-recursion-in-dns-compression-pointer) (medium, CVSS 6.5, published 17 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Python-Zeroconf vulnerabilities", https://junglewise.ai/threats/technologies/python-zeroconf, 9 November 2026.