SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5145

These bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code.

CRITICAL 9.8EPSS 2.93%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Memory safety bugs were reported in Firefox ESR 52.6. These bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.93% probability · 86th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · mozilla/firefox · mozilla/thunderbird · canonical/ubuntu linux
Source
security@mozilla.org

References

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