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Mozjs52: Incorrect boundary conditions in the JavaScript Engine component. (CVE-2026-109715)

0
Medium
VulnerabilityCVE-2026-109715gcveosvubuntu-cve-2026-109715cve-2026-109715ubuntu-18-04-ltsubuntu-20-04-ltsubuntu-22-04-ltsubuntu-24-04-lts
Published: 10/15/2026 (10/15/2026, 00:00:00 UTC)
Source: GCVE Database
Product: mozjs52

Description

Incorrect boundary conditions in the JavaScript Engine component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVSS v3.1

Score 8.1high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected software

Ubuntu:18.04:LTSmore threats →ghsa
mozjs52
pkg:deb/ubuntu/mozjs52?arch=source&distro=bionic
Affected versions
=52.3.1-0ubuntu3=52.3.1-7fakesync1=52.8.1-0ubuntu0.18.04.1=52.9.1-0ubuntu0.18.04.1
Ubuntu:18.04:LTSmore threats →ghsa
mozjs38
pkg:deb/ubuntu/mozjs38?arch=source&distro=bionic
Affected versions
=38.8.0~repack1-0ubuntu1=38.8.0~repack1-0ubuntu3=38.8.0~repack1-0ubuntu4
Ubuntu:20.04:LTSmore threats →ghsa
mozjs68
pkg:deb/ubuntu/mozjs68?arch=source&distro=focal
Affected versions
=68.5.0-1~fakesync=68.5.0-2~fakesync=68.6.0-1=68.6.0-1ubuntu1
Ubuntu:20.04:LTSmore threats →ghsa
mozjs52
pkg:deb/ubuntu/mozjs52?arch=source&distro=focal
Affected versions
=52.9.1-1build1=52.9.1-1ubuntu3
Ubuntu:22.04:LTSmore threats →ghsa
mozjs102
pkg:deb/ubuntu/mozjs102?arch=source&distro=jammy
Affected versions
=102.11.0-0ubuntu0.22.04.1=102.12.0-0ubuntu0.22.04.1=102.13.0-0ubuntu0.22.04.1=102.15.1-0ubuntu0.22.04.1
Ubuntu:22.04:LTSmore threats →ghsa
mozjs78
pkg:deb/ubuntu/mozjs78?arch=source&distro=jammy
Affected versions
=78.13.0-1=78.15.0-2=78.15.0-4ubuntu1
Ubuntu:22.04:LTSmore threats →ghsa
mozjs91
pkg:deb/ubuntu/mozjs91?arch=source&distro=jammy
Affected versions
=91.5.1-0ubuntu1=91.6.0-1=91.6.0-2=91.7.0-2=91.10.0-0ubuntu1
Ubuntu:22.04:LTSmore threats →ghsa
thunderbird
pkg:deb/ubuntu/thunderbird?arch=source&distro=jammy
Affected versions
=1:91.1.2+build1-0ubuntu1=1:91.3.0+build2-0ubuntu1=1:91.3.1+build1-0ubuntu1=1:91.3.2+build1-0ubuntu1=1:91.4.0+build1.1-0ubuntu1=1:91.4.0+build2-0ubuntu1=1:91.5.0+build1-0ubuntu1=1:91.5.1+build1-0ubuntu1=1:91.6.1+build1-0ubuntu1=1:91.7.0+build1-0ubuntu1=1:91.7.0+build2-0ubuntu1=1:91.8.0+build2-0ubuntu1=1:91.9.1+build1-0ubuntu0.22.04.1=1:91.11.0+build2-0ubuntu0.22.04.1=1:102.2.2+build1-0ubuntu0.22.04.1=1:102.4.2+build2-0ubuntu0.22.04.1=1:102.7.1+build2-0ubuntu0.22.04.1=1:102.8.0+build2-0ubuntu0.22.04.1=1:102.9.0+build1-0ubuntu0.22.04.1=1:102.10.0+build2-0ubuntu0.22.04.1=1:102.11.0+build1-0ubuntu0.22.04.1=1:102.13.0+build1-0ubuntu0.22.04.1=1:102.15.0+build1-0ubuntu0.22.04.1=1:102.15.1+build1-0ubuntu0.22.04.1=1:115.3.1+build1-0ubuntu0.22.04.2=1:115.4.1+build1-0ubuntu0.22.04.1=1:115.5.0+build1-0ubuntu0.22.04.1=1:115.6.0+build2-0ubuntu0.22.04.1=1:115.8.1+build1-0ubuntu0.22.04.1=1:115.9.0+build1-0ubuntu0.22.04.1=1:115.10.1+build1-0ubuntu0.22.04.1=1:115.11.0+build2-0ubuntu0.22.04.1=1:115.12.0+build3-0ubuntu0.22.04.1=1:115.13.0+build5-0ubuntu0.22.04.1=1:115.15.0+build1-0ubuntu0.22.04.1=1:115.16.0+build2-0ubuntu0.22.04.1=1:115.18.0+build1-0ubuntu0.22.04.1=1:128.12.0+build1-0ubuntu0.22.04.1=1:140.7.1+build1-0ubuntu0.22.04.1
Ubuntu:24.04:LTSmore threats →ghsa
mozjs102
pkg:deb/ubuntu/mozjs102?arch=source&distro=noble
Affected versions
=102.15.1-1=102.15.1-3ubuntu2
Ubuntu:24.04:LTSmore threats →ghsa
mozjs115
pkg:deb/ubuntu/mozjs115?arch=source&distro=noble
Affected versions
=115.3.0-0ubuntu1=115.4.0-2=115.5.0-1=115.6.0-1=115.7.0-4=115.8.0-1=115.9.0-1=115.9.0-1build1=115.10.0-1

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-109715
Osv Schema Version
1.7.0
Ecosystems
["Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS"]
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ada45034d27ba8daa6a5af8

Added to database: 10/22/2026, 17:16:51 UTC

Last updated: 10/22/2026, 17:17:03 UTC

Views: 1

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