H3XAOperational intelligence
Live analytical pictureEvidence before assessment
Threat intelligence / Vulnerability

CVE-2020-6820

Mozilla Firefox and Thunderbird contain a race condition vulnerability when handling a ReadableStream under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.

Vulnerability
TypeVulnerability
External ID—
First seen2021-11-03
Last seen2021-11-03

Confidence

—

Mozilla Firefox and Thunderbird contain a race condition vulnerability when handling a ReadableStream under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.

Labels

exploitedkev

CISA KEV context

Vendor / productMozilla Firefox and Thunderbird
Added2021-11-03
Due date2022-05-03
3 recorded

Relationships

mitigates
from Remediate CVE-2020-6820
Mitigation
related-to
to Leveraging Race Conditions
Technique
related-to
to Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
Technique
2 external

References

nvd
CVE-2020-6820
open
cwe
CWE-362
open
Continue into the dataIntelligence explorerHow to read the graphEvidence & provenance