Vulnerability · Published Dec 9, 2020 · Assigned by mozilla

CVE-2020-26957

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 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.6%top 53.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

OneCRL was non-functional in the new Firefox for Android due to a missing service initialization. This could result in a failure to enforce some certificate revocations. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox83.0-r0ALPINE-CVE-2020-26957
Alpine:v3.21firefox83.0-r0ALPINE-CVE-2020-26957
Alpine:v3.22firefox83.0-r0ALPINE-CVE-2020-26957
Alpine:v3.23firefox83.0-r0ALPINE-CVE-2020-26957
Alpine:v3.21librewolf83.0-r0ALPINE-CVE-2020-26957
Alpine:v3.22librewolf83.0-r0ALPINE-CVE-2020-26957
Alpine:v3.23librewolf83.0-r0ALPINE-CVE-2020-26957
Alpine:v3.24librewolf83.0-r0ALPINE-CVE-2020-26957

Affected products (as reported)

VendorProductVersions
Mozilla Firefox < 83

References