Detections
Analytics

SCA: security update for github.com/coredns/coredns (GHSA-2wpx-qpw2-g5h5)

high Tenable Self-Hosted Container Security Plugin ID 440949

Description

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

 - CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the DNS-over-QUIC (DoQ) server
 can be driven into unbounded goroutine and memory growth by a remote client that opens many QUIC streams
 and sends only 1 byte per stream. When the worker pool is full, CoreDNS still spawns a goroutine per
 accepted stream to wait for a worker token. Additionally, active workers block indefinitely in
 io.ReadFull() with no per-stream read deadline, allowing an attacker to pin all workers by sending a
 single byte so the read blocks waiting for the second byte of the DoQ length prefix. This enables an
 unauthenticated remote attacker to cause memory exhaustion and OOM-kill. This issue has been fixed in
 version 1.14.3. No known workarounds exist. (CVE-2026-32934)

Solution

Update the github.com/coredns/coredns library and its related packages to version 1.14.3 or later.

See Also

https://github.com/advisories/GHSA-2wpx-qpw2-g5h5

Plugin Details

Severity: High

ID: 440949

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 4/29/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-32934

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/28/2026

Vulnerability Publication Date: 4/28/2026

Reference Information

CVE: CVE-2026-32934

cwe: CWE-770