Vulnerability · Published Aug 1, 2023 · Assigned by mozilla

CVE-2023-4045

Medium 5.3

In plain English

A medium-severity security flaw 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 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.6%top 51.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox102.14.0-1.el8_8.almaALSA-2023:4468
AlmaLinux:9firefox102.14.0-1.el9_2.almaALSA-2023:4462
AlmaLinux:9firefox-x11102.14.0-1.el9_2.almaALSA-2023:4462
AlmaLinux:8thunderbird102.14.0-1.el8_8.almaALSA-2023:4497
AlmaLinux:9thunderbird102.14.0-1.el9_2.almaALSA-2023:4499
Alpine:v3.20firefox-esr115.1.0-r0ALPINE-CVE-2023-4045
Alpine:v3.21firefox-esr115.1.0-r0ALPINE-CVE-2023-4045
Alpine:v3.22firefox-esr115.1.0-r0ALPINE-CVE-2023-4045
Alpine:v3.23firefox-esr115.1.0-r0ALPINE-CVE-2023-4045
Debian:12firefox-esr102.14.0esr-1~deb12u1DEBIAN-CVE-2023-4045
Debian:12firefox-esr102.14.0esr-1~deb12u1DSA-5464-1
Debian:13firefox-esr115.1.0esr-1DEBIAN-CVE-2023-4045
Debian:14firefox-esr115.1.0esr-1DEBIAN-CVE-2023-4045
Debian:12thunderbird1:102.14.0-1~deb12u1DSA-5469-1
Debian:12thunderbird1:102.14.0-1~deb12u1DEBIAN-CVE-2023-4045
Debian:13thunderbird1:115.1.0-1DEBIAN-CVE-2023-4045
Debian:14thunderbird1:115.1.0-1DEBIAN-CVE-2023-4045
Rocky Linux:8firefox0:102.14.0-1.el8_8RLSA-2023:4468
Rocky Linux:9firefox0:102.14.0-1.el9_2RLSA-2023:4462
Rocky Linux:8thunderbird0:102.14.0-1.el8_8RLSA-2023:4497
Rocky Linux:9thunderbird0:102.14.0-1.el9_2RLSA-2023:4499
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-4045
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-4045
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-4045
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-4045
Ubuntu:22.04:LTSthunderbird1:102.15.0+build1-0ubuntu0.22.04.1UBUNTU-CVE-2023-4045
Ubuntu:22.04:LTSthunderbird1:102.15.0+build1-0ubuntu0.22.04.1USN-6333-1

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 116
Mozilla Firefox ESR unspecified – before 102.14
Mozilla Firefox ESR unspecified – before 115.1

References