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Echo: nginx: security update to 1.26.3-3+deb13u7+e1

high Tenable Cloud Security Plugin ID 459915

Description

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

 - NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_module module, which might allow
 an attacker to trigger a buffer over-read or over-write to the NGINX worker memory resulting in its
 termination or possibly code execution, using a specially crafted MP4 file. This issue affects NGINX Open
 Source and NGINX Plus if it is built with the ngx_http_mp4_module module and the mp4 directive is used in
 the configuration file. Additionally, the attack is possible only if an attacker can trigger the
 processing of a specially crafted MP4 file with the ngx_http_mp4_module module. Note: Software versions
 which have reached End of Technical Support (EoTS) are not evaluated. (CVE-2026-32647)

Solution

Update the nginx library and its related packages to version 1.26.3-3+deb13u7+e1 or later.

See Also

https://access.redhat.com/errata/RHSA-2026:10065

https://access.redhat.com/errata/RHSA-2026:13634

https://access.redhat.com/errata/RHSA-2026:13680

https://access.redhat.com/errata/RHSA-2026:13839

https://access.redhat.com/errata/RHSA-2026:14836

https://access.redhat.com/errata/RHSA-2026:15942

https://access.redhat.com/errata/RHSA-2026:15943

https://access.redhat.com/errata/RHSA-2026:15945

https://access.redhat.com/errata/RHSA-2026:15966

https://access.redhat.com/errata/RHSA-2026:6906

https://access.redhat.com/errata/RHSA-2026:6907

https://access.redhat.com/errata/RHSA-2026:6923

https://access.redhat.com/errata/RHSA-2026:7002

https://access.redhat.com/errata/RHSA-2026:7343

https://access.redhat.com/errata/RHSA-2026:8346

https://advisory.echohq.com/cve/CVE-2026-32647

Plugin Details

Severity: High

ID: 459915

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.54

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-32647

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

CVSS v4

Risk Factor: High

Base Score: 8.5

Threat Score: 5.9

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/20/2026

Vulnerability Publication Date: 3/24/2026

Reference Information

CVE: CVE-2026-32647