SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5177

A vulnerability exists in XSLT during number formatting where a negative buffer size may be allocated in some instances, leading to a buffer overflow and crash if it occurs.

HIGH 7.5EPSS 3.81%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability exists in XSLT during number formatting where a negative buffer size may be allocated in some instances, leading to a buffer overflow and crash if it occurs. This vulnerability affects Firefox < 60.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.81% probability · 89th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
canonical/ubuntu linux · mozilla/firefox
Source
security@mozilla.org

References

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