Detections
Analytics

Alpine: multiple pdns-recursor packages: security update to 5.4.4-r0

high Tenable Self-Hosted Container Security Plugin ID 445412

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted
 without signature validation when the wildcard answer is a CNAME or DNAME record. (CVE-2026-52686)

 - RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation (CVE-2026-52688)

Solution

Update the pdns-recursor library and its related packages to version 5.4.4-r0 or later.

See Also

https://security.alpinelinux.org/vuln/CVE-2026-52686

https://security.alpinelinux.org/vuln/CVE-2026-52688

Plugin Details

Severity: High

ID: 445412

Version: Revision 1.1

Type: Local

Published: 7/29/2026

Updated: 7/29/2026

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-52688

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/23/2026

Reference Information

CVE: CVE-2026-52686, CVE-2026-52688