Detections
Analytics

Echo: qtbase-opensource-src: security update to 5.15.15+dfsg-6+e5

medium Tenable Cloud Security Plugin ID 472836

Description

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

 - Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a
 denial of service (application crash via stack exhaustion) via a crafted XML document. (CVE-2026-78253)

Solution

Update the qtbase-opensource-src library and its related packages to version 5.15.15+dfsg-6+e5 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-78253

Plugin Details

Severity: Medium

ID: 472836

Version: Revision 1.1

Type: Local

Published: 10/5/2026

Updated: 10/5/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.59

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2026-78253

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 2.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 9/23/2026

Reference Information

CVE: CVE-2026-78253