Vulnerability · Published Jun 2, 2023 · Assigned by mozilla

CVE-2023-25737

High 8.8

In plain English

A high-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 46.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

An invalid downcast from <code>nsTextNode</code> to <code>SVGElement</code> could have lead to undefined behavior. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox102.8.0-2.el8_7.almaALSA-2023:0808
AlmaLinux:9firefox102.8.0-2.el9_1.almaALSA-2023:0810
AlmaLinux:9firefox-x11102.8.0-2.el9_1.almaALSA-2023:0810
AlmaLinux:8thunderbird102.8.0-2.el8_7.almaALSA-2023:0821
AlmaLinux:9thunderbird102.8.0-2.el9_1.almaALSA-2023:0824
Alpine:v3.20firefox-esr102.8.0-r0ALPINE-CVE-2023-25737
Alpine:v3.21firefox-esr102.8.0-r0ALPINE-CVE-2023-25737
Alpine:v3.22firefox-esr102.8.0-r0ALPINE-CVE-2023-25737
Alpine:v3.23firefox-esr102.8.0-r0ALPINE-CVE-2023-25737
Debian:12firefox-esr102.8.0esr-1DEBIAN-CVE-2023-25737
Debian:13firefox-esr102.8.0esr-1DEBIAN-CVE-2023-25737
Debian:14firefox-esr102.8.0esr-1DEBIAN-CVE-2023-25737
Debian:12thunderbird1:102.8.0-1DEBIAN-CVE-2023-25737
Debian:13thunderbird1:102.8.0-1DEBIAN-CVE-2023-25737
Debian:14thunderbird1:102.8.0-1DEBIAN-CVE-2023-25737
Rocky Linux:8firefox0:102.8.0-2.el8_7RLSA-2023:0808
Rocky Linux:9firefox0:102.8.0-2.el9_1RLSA-2023:0810
Rocky Linux:8thunderbird0:102.8.0-2.el8_7RLSA-2023:0821
Rocky Linux:9thunderbird0:102.8.0-2.el9_1RLSA-2023:0824
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-25737
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-25737
Ubuntu:22.04:LTSthunderbird1:102.8.0+build2-0ubuntu0.22.04.1USN-5943-1
Ubuntu:22.04:LTSthunderbird1:102.8.0+build2-0ubuntu0.22.04.1UBUNTU-CVE-2023-25737

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 110
Mozilla Thunderbird unspecified – before 102.8
Mozilla Firefox ESR unspecified – before 102.8

Weakness: CWE-704 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References