CVE-2020-6820: Mozilla Thunderbird vulnerability
Mozilla · Thunderbird
Vendor fix available · Affected: Mozilla Thunderbird · Exploitation: in CISA KEV since 3 Nov 2021
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
ExploitationIn CISA KEV
- In CISA KEVCISA KEV catalogue3 Nov 2021
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not established: not seen
Higher than 94% of scored CVEs
DescriptionCVE.org
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.
Affected products3
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Mozilla · Thunderbirdbefore 68.7.0
- Mozilla · Firefoxbefore 74.0.1
- Mozilla · Firefox ESRbefore 68.6.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
- CISA KEV
- Listed since 3 Nov 2021 · catalogue entry
- Public check
- No public nuclei template
- Weakness
- Race Condition · Race Conditions
- Vendor
- Mozilla
- Published
- April 2020
What changed
- CISA added it to the KEV catalogue CISA
CoverageNo articles yet
No CyberSIXT article names CVE-2020-6820 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.