SARA / Free Tools / CVE / CVE-2020-12405

CVE-2020-12405 — When browsing a malicious page, a race condition in our SharedWorkerService coul

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

CVSS
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EPSS
0.66% (top 29.20%)
CWE
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Published
2020-07-09T14:45:23.000Z
Last modified
2024-08-04T11:56:51.680Z
CVSS vector
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01What is this vulnerability?

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

02Affected products

VendorProductVersions
MozillaThunderbirdunspecified
MozillaFirefoxunspecified
MozillaFirefox ESRunspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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