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Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

Type: advisorySource: CISA Known Exploited VulnerabilitiesKnown exploited1 source record

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. CISA required action: Apply updates per vendor instructions.

Announced Source revision 1
Original source ↗

CVE-2020-6820

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: kev:CVE-2020-6820

Firefox and Thunderbird

Source reference: /product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record
Related CVEs
CVE-2020-6820

Source reference: /cveID

Publisher severity

No explicit severity was provided.

Event
#3672 · Revision 1
Added to Heist Feed
Publisher date
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