SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-17017

Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash.

HIGH 8.8EPSS 2.49%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.49% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-843
Affected
mozilla/firefox · mozilla/firefox esr · canonical/ubuntu linux · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
Source
security@mozilla.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.