Detections
Analytics

Echo: apache2: security update to 2.4.68-1~deb13u1+e2

high Tenable Cloud Security Plugin ID 473611

Description

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

 - A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69
 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response
 with a charset whose conversion partially succeeds then fails. Users are recommended to upgrade to version
 2.4.69, which fixes this issue. (CVE-2026-63686)

Solution

Update the apache2 library and its related packages to version 2.4.68-1~deb13u1+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-63686

Plugin Details

Severity: High

ID: 473611

Version: Revision 1.1

Type: Local

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.68

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-63686

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:N/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: 10/2/2026

Vulnerability Publication Date: 10/1/2026

Reference Information

CVE: CVE-2026-63686