Detections
Analytics

SCA: security update for zeroconf (GHSA-9663-mqmp-p9mm)

medium Tenable Cloud Security Plugin ID 443070

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.12,
 AsyncListener.handle_query_or_defer retained every truncated TC-bit incoming query, each up to
 _MAX_MSG_ABSOLUTE = 8966 bytes, in self._deferred[addr] and armed a per-address timer in
 self._timers[addr] without capping the per-address list or distinct addr keys, allowing unauthenticated
 hosts on the local link over UDP/5353 (224.0.0.251 / ff02::fb) to spoof sources, grow _deferred and
 _timers, and cause memory exhaustion and quadratic CPU burn. This issue is fixed in version 0.149.12.
 (CVE-2026-48045)

Solution

Update the zeroconf library and its related packages to version 0.149.12 or later.

See Also

https://github.com/advisories/GHSA-9663-mqmp-p9mm

Plugin Details

Severity: Medium

ID: 443070

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 6/11/2026

Updated: 7/20/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.76

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-48045

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2026

Vulnerability Publication Date: 6/11/2026

Reference Information

CVE: CVE-2026-48045