SARA / Free Tools / CVE / CVE-2020-12406

CVE-2020-12406 — Mozilla Developer Iain Ireland discovered a missing type check during unboxed ob

Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firef

CVSS
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EPSS
0.35% (top 42.70%)
CWE
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Published
2020-07-09T14:45:21.000Z
Last modified
2024-08-04T11:56:51.745Z
CVSS vector
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01What is this vulnerability?

Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. 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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