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

medium Tenable Cloud Security Plugin ID 465119

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. Prior to version 1.0.19,
 `decoder_context::decode_slice_unit_tiles` (libde265/decctx.cc:920) reads `pps.CtbAddrRStoTS[ctbAddrRS]`
 at line 966 where `ctbAddrRS = ctbY * ctbsWidth + ctbX` is computed from PPS-supplied `colBd[]`/`rowBd[]`
 arrays without validating the result against `CtbAddrRStoTS.size() == sps->PicSizeInCtbsY`. A malformed
 PPS that passes `set_derived_values` but encodes geometry inconsistent with the SPS produces a `ctbAddrRS`
 past the allocation, causing a 4-byte heap-buffer-overflow READ. Version 1.0.19 fixes the issue.
 (CVE-2026-45382)

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-2026-45382

Plugin Details

Severity: Medium

ID: 465119

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.12

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-45382

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

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

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-2026-45382