Double Free in Mozilla Firefox and Firefox ESR - CVE-2023-5174

Vulnerability identifier: #VU81128

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-5174

CWE-ID: CWE-415

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when spawning processes on Windows. A remote attacker can trigger a double free error and execute arbitrary code on the target system.

Note, the vulnerability affects Firefox installations on Windows when running in a non-standard configuration, such as when using "runas".

Mozilla Firefox
Firefox ESR
Gentoo Linux
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE CaaS Platform
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
Slackware Linux
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Package Hub 15
Desktop Applications Module
openSUSE Leap
Fedora
IBM Cloud Pak for Multicloud Management
Mozilla Thunderbird
mozilla-firefox
thunderbird
MozillaFirefox-devel
MozillaFirefox-debuginfo
MozillaFirefox-translations-common
MozillaFirefox-debugsource
MozillaFirefox
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
MozillaThunderbird-debuginfo
MozillaThunderbird-translations-other
MozillaThunderbird-translations-common
MozillaThunderbird-debugsource
MozillaThunderbird
mail-client/thunderbird
mail-client/thunderbird-bin
firefox

Install updates from vendor's website.

Mozilla Firefox - update to 118.0
Firefox ESR - update to 115.3.0
IBM Cloud Pak for Multicloud Management - update to 2.3.8
Mozilla Thunderbird - update to 115.3
mozilla-firefox - update to 115.3.0esr
thunderbird - update to 115.3.0-1.fc39
MozillaFirefox-devel - addressed in versions 115.3.0-112.182.1, 115.3.0-150000.150.107.1, 115.3.0-150200.152.108.1
MozillaFirefox-debuginfo - addressed in versions 115.3.0-112.182.1, 115.3.0-150000.150.107.1, 115.3.0-150200.152.108.1
MozillaFirefox-translations-common - addressed in versions 115.3.0-112.182.1, 115.3.0-150000.150.107.1, 115.3.0-150200.152.108.1
MozillaFirefox-debugsource - addressed in versions 115.3.0-112.182.1, 115.3.0-150000.150.107.1, 115.3.0-150200.152.108.1
MozillaFirefox - addressed in versions 115.3.0-112.182.1, 115.3.0-150000.150.107.1, 115.3.0-150200.152.108.1
MozillaFirefox-translations-other - addressed in versions 115.3.0-150000.150.107.1, 115.3.0-150200.152.108.1
MozillaFirefox-branding-upstream - update to 115.3.0-150200.152.108.1
MozillaThunderbird-debuginfo - update to 115.3.1-150200.8.133.1
MozillaThunderbird-translations-other - update to 115.3.1-150200.8.133.1
MozillaThunderbird-translations-common - update to 115.3.1-150200.8.133.1
MozillaThunderbird-debugsource - update to 115.3.1-150200.8.133.1
MozillaThunderbird - update to 115.3.1-150200.8.133.1
mail-client/thunderbird - update to 115.7.0
mail-client/thunderbird-bin - update to 115.7.0
firefox - addressed in versions 118.0-1.fc37, 118.0-1.fc38, 118.0-1.fc39

• https://www.mozilla.org/en-US/security/advisories/mfsa2023-42/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-41/

• Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
• Multiple vulnerabilities in Mozilla Thunderbird
• Slackware Linux update for mozilla-firefox
• SUSE update for MozillaFirefox
• SUSE update for MozillaFirefox
• SUSE update for MozillaFirefox
• Fedora 39 update for thunderbird
• Fedora 39 update for firefox
• Fedora 38 update for firefox
• Fedora 37 update for firefox
• SUSE update for MozillaThunderbird
• Gentoo update for Mozilla Thunderbird
• Multiple vulnerabilities in IBM Cloud Pak for Multicloud Management