Alpine: multiple apr-util packages: security update to 1.6.4-r0

critical Tenable Self-Hosted Container Security Plugin ID 445793

Description

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

- APR-util versions 1.6.3 (and earlier) function apr_password_validate() was not constant-time with regards
to hashes or passwords comparisons, potentially leaking their content via a side channel timing attack
particularly on platforms without crypt() such as Windows, BeOS, NetWare, or Android. Users are
recommended to upgrade to version 1.6.4, which fixes this issue. (CVE-2025-49506)

- A bug in APR-util version 1.6.3 (and earlier) allows a stack recursion attack against any library consumer
which parses XML from untrusted sources and uses the apr_xml_quote_elem() function. Users are recommended
to upgrade to version 1.6.4, which fixes this issue. (CVE-2026-32327)

- Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in
Apache Portable Runtime Utility via apr_dbd_oracle provider. This issue affects Apache Portable Runtime
Utility: from 1.6.0 through 1.6.3 (CVE-2026-34191)

- Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue
affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3. Users are recommended to upgrade to
version 1.6.4, which fixes the issue. (CVE-2026-34501)

- Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility memcached client This issue
affects Apache Portable Runtime Utility: from 1.3.0 through 1.6.3. (CVE-2026-34502)

Solution

Update the apr-util library and its related packages to version 1.6.4-r0 or later.

Plugin Details

Severity: Critical

ID: 445793

Version: Revision 1.1

Type: Local

Family: Alpine Linux Local Security Checks

Published: 8/7/2026

Updated: 8/7/2026

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.62

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-34191

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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: 8/6/2026

Reference Information

CVE: CVE-2025-49506, CVE-2026-32327, CVE-2026-34191, CVE-2026-34501, CVE-2026-34502

Detections

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