CVE-2019-9810

high-risk
Published 2019-04-26

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

Do I need to act?

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71.6% chance of exploitation in next 30 days
EPSS score — higher than 28% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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2 public exploits available
46605, 47752
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (10)

Affected Vendors

Redhat Mozilla

References (14)

Exploit http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain...
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0966
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:1144
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1537924
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-09/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-10/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-12/
Exploit http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain...
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:0966
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:1144
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1537924
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-09/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-10/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-12/
65
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 19/34 · Moderate
Exposure 16/34 · Moderate