vulnwire
9.8crit

CVE-2019-9795

A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trig…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 77%
Public exploits
0
none known

A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Exploit prediction (EPSS)

1.70% probability of exploitation in the next 30 days, higher than 77% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Mozilla Thunderbird
  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-617 Reachable Assertion
  • CWE-843 Access of Resource Using Incompatible Type

References

  • mozilla.org /security/advisories/mfsa2019-07/ · x_refsource_MISC, x_transferred
  • mozilla.org /security/advisories/mfsa2019-08/ · x_refsource_MISC, x_transferred
  • mozilla.org /security/advisories/mfsa2019-11/ · x_refsource_MISC, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1514682 · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2019:0966 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:1144 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

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