Detections
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Echo: libinstpatch: security update to 1.1.6-1+e1

medium Tenable Cloud Security Plugin ID 477739

Description

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

 - libInstPatch through 1.1.7 contains a heap out-of-bounds write vulnerability in the SoundFont 2 loader
 because ipatch_sf2_gen_is_valid() does not range-check generator IDs before the validity mask test.
 Attackers can supply crafted SF2 files with out-of-range pgen or igen generator IDs to write attacker-
 chosen values past the zone genarray, corrupting heap memory and crashing Swami or other consumers.
 (CVE-2026-111136)

Solution

Update the libinstpatch library and its related packages to version 1.1.6-1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-111136

Plugin Details

Severity: Medium

ID: 477739

Version: Revision 1.1

Type: Local

Published: 10/28/2026

Updated: 10/28/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.47

CVSS v2

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.1

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

CVSS Score Source: CVE-2026-111136

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 4.4

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/17/2026

Vulnerability Publication Date: 10/15/2026

Reference Information

CVE: CVE-2026-111136