Detections
Analytics

Echo: webkit2gtk: security update to 2.52.4-1

high Tenable Self-Hosted Container Security Plugin ID 455185

Description

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

 - A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5,
 iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5,
 watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
 (CVE-2026-28947)

Solution

Update the webkit2gtk library and its related packages to version 2.52.4-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-28947

Plugin Details

Severity: High

ID: 455185

Version: Revision 1.2

Type: Local

Published: 10/1/2026

Updated: 10/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.94

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-28947

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/23/2026

Vulnerability Publication Date: 5/11/2026

Reference Information

CVE: CVE-2026-28947