Detections
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Echo: libde265: security update to 1.0.15-1+e8

high Tenable Cloud Security Plugin ID 465224

Description

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

 - libde265 is an open source implementation of the h.265 video codec. Versions prior to 1.1.1 use signed
 32-bit arithmetic to calculate pixel offsets, allowing a crafted HEVC stream with large image dimensions
 to trigger an integer overflow and cause out-of-bounds heap reads or writes, potentially disclosing data,
 corrupting memory, or crashing the decoder. Version 1.1.1 contains a patch. (CVE-2026-54240)

Solution

Update the libde265 library and its related packages to version 1.0.15-1+e8 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-54240

Plugin Details

Severity: High

ID: 465224

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.43

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-54240

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/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: 7/1/2026

Vulnerability Publication Date: 7/20/2026

Reference Information

CVE: CVE-2026-54240