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Vulnerability · Published Oct 24, 2023 · Assigned by mozilla

CVE-2023-5728

High 7.5

In plain English

A high-severity use-after-free in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.3%top 29.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox115.4.0-1.el8_8.alma.1ALSA-2023:6187
AlmaLinux:9firefox115.4.0-1.el9_2.alma.1ALSA-2023:6188
AlmaLinux:9firefox-x11115.4.0-1.el9_2.alma.1ALSA-2023:6188
AlmaLinux:8thunderbird115.4.1-1.el8_8.alma.1ALSA-2023:6194
AlmaLinux:9thunderbird115.4.1-1.el9_2.almaALSA-2023:6191
Alpine:v3.20firefox119.0-r0ALPINE-CVE-2023-5728
Alpine:v3.21firefox119.0-r0ALPINE-CVE-2023-5728
Alpine:v3.22firefox119.0-r0ALPINE-CVE-2023-5728
Alpine:v3.23firefox119.0-r0ALPINE-CVE-2023-5728
Alpine:v3.20firefox-esr115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.21firefox-esr115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.22firefox-esr115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.23firefox-esr115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.22librewolf119.0-r0ALPINE-CVE-2023-5728
Alpine:v3.23librewolf119.0-r0ALPINE-CVE-2023-5728
Alpine:v3.24librewolf119.0-r0ALPINE-CVE-2023-5728
Alpine:v3.21mozjs115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.22mozjs115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.23mozjs115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.24mozjs115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.20mozjs115115.4.0-r0ALPINE-CVE-2023-5728
Alpine:v3.20thunderbird115.4.1-r0ALPINE-CVE-2023-5728
Alpine:v3.21thunderbird115.4.1-r0ALPINE-CVE-2023-5728
Alpine:v3.22thunderbird115.4.1-r0ALPINE-CVE-2023-5728
Alpine:v3.23thunderbird115.4.1-r0ALPINE-CVE-2023-5728
Debian:12firefox-esr115.4.0esr-1~deb12u1DSA-5535-1
Debian:12firefox-esr115.4.0esr-1~deb12u1DEBIAN-CVE-2023-5728
Debian:13firefox-esr115.4.0esr-1DEBIAN-CVE-2023-5728
Debian:14firefox-esr115.4.0esr-1DEBIAN-CVE-2023-5728
Debian:12thunderbird1:115.4.1-1~deb12u1DEBIAN-CVE-2023-5728
Debian:12thunderbird1:115.4.1-1~deb12u1DSA-5538-1
Debian:13thunderbird1:115.4.1-1DEBIAN-CVE-2023-5728
Debian:14thunderbird1:115.4.1-1DEBIAN-CVE-2023-5728
Rocky Linux:9firefox0:115.4.0-1.el9_2RLSA-2023:6188
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-5728
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-5728
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-5728
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-5728
Ubuntu:22.04:LTSthunderbird1:115.4.1+build1-0ubuntu0.22.04.1USN-6468-1
Ubuntu:22.04:LTSthunderbird1:115.4.1+build1-0ubuntu0.22.04.1UBUNTU-CVE-2023-5728
Ubuntu:24.04:LTSthunderbird1:115.4.1+build1-0ubuntu1UBUNTU-CVE-2023-5728

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 119
Mozilla Firefox ESR unspecified – before 115.4
Mozilla Thunderbird unspecified – before 115.4.1

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References