SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5159

An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes.

CRITICAL 9.8EPSS 21.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 21.0%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes. This could lead to a potentially exploitable crash triggerable by web content. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

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
21.04% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-190, CWE-787
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 · mozilla/thunderbird esr · canonical/ubuntu linux
Source
security@mozilla.org

References

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