SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5462

This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

MEDIUM 5.3EPSS 2.64%

Does this matter?

Lower severity and a low EPSS score (2.64%). Track it; it rarely justifies an emergency change on its own.

Description

A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0
5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
2.64% probability · 85th percentile
CISA KEV
Not listed
Weakness
CWE-682
Affected
debian/debian linux · mozilla/firefox · mozilla/network security services · mozilla/thunderbird
Source
security@mozilla.org

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