Vulnerability · Published Jun 2, 2023 · Assigned by mozilla

CVE-2023-25742

Medium 6.5

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 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.6%top 48.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

When importing a SPKI RSA public key as ECDSA P-256, the key would be handled incorrectly causing the tab to crash. 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-2023-25742
Alpine:v3.21firefox-esr102.8.0-r0ALPINE-CVE-2023-25742
Alpine:v3.22firefox-esr102.8.0-r0ALPINE-CVE-2023-25742
Alpine:v3.23firefox-esr102.8.0-r0ALPINE-CVE-2023-25742
Debian:12firefox-esr102.8.0esr-1DEBIAN-CVE-2023-25742
Debian:13firefox-esr102.8.0esr-1DEBIAN-CVE-2023-25742
Debian:14firefox-esr102.8.0esr-1DEBIAN-CVE-2023-25742
Debian:12thunderbird1:102.8.0-1DEBIAN-CVE-2023-25742
Debian:13thunderbird1:102.8.0-1DEBIAN-CVE-2023-25742
Debian:14thunderbird1:102.8.0-1DEBIAN-CVE-2023-25742
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-2023-25742
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-25742
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-2023-25742

Affected products (as reported)

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

References