Echo: qtbase-opensource-src: security update to 5.15.15+dfsg-6+e11

medium Tenable Self-Hosted Container Security Plugin ID 478653

Description

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

- Out-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group
Qt allows remote attackers to obtain sensitive information (heap memory contents) or cause a denial of
service (application crash) via a crafted NTLM challenge sent by a malicious server or proxy, when an
application using QNetworkAccessManager or QTcpSocket authenticates with NTLM. (CVE-2026-105946)

Solution

Update the qtbase-opensource-src library and its related packages to version 5.15.15+dfsg-6+e11 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-105946

Plugin Details

Severity: Medium

ID: 478653

Version: Revision 1.1

Type: Local

Published: 11/8/2026

Updated: 11/8/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.55

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2026-105946

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.9

Threat Score: 2.2

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/8/2026

Vulnerability Publication Date: 10/27/2026

Reference Information

CVE: CVE-2026-105946