cve-2020-6820
Vulnerability from cvelistv5
Published
2020-04-24 15:56
Modified
2024-08-04 09:11
Severity ?
Summary
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1626728Issue Tracking, Permissions Required
security@mozilla.orghttps://usn.ubuntu.com/4335-1/Third Party Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-11/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-14/Vendor Advisory
Impacted products
MozillaThunderbird
MozillaFirefox
MozillaFirefox ESR
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2022-05-03

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2020-6820

Show details on NVD website

To clipboard 

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