Vulnerability · Published Jul 9, 2020 · Assigned by mozilla

CVE-2020-12416

High 8.8

In plain English

A high-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 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.4%top 28.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A VideoStreamEncoder may have been freed in a race condition with VideoBroadcaster::AddOrUpdateSink, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox78.0-r0ALPINE-CVE-2020-12416
Alpine:v3.21firefox78.0-r0ALPINE-CVE-2020-12416
Alpine:v3.22firefox78.0-r0ALPINE-CVE-2020-12416
Alpine:v3.23firefox78.0-r0ALPINE-CVE-2020-12416
Alpine:v3.21librewolf78.0-r0ALPINE-CVE-2020-12416
Alpine:v3.22librewolf78.0-r0ALPINE-CVE-2020-12416
Alpine:v3.23librewolf78.0-r0ALPINE-CVE-2020-12416
Alpine:v3.24librewolf78.0-r0ALPINE-CVE-2020-12416

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 78

References