SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-1950

Heap-based buffer overflow in Mozilla Network Security Services (NSS) before 3.19.2.3 and 3.20.x and 3.21.x before 3.21.1, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to execute arbitrary code via…

HIGH 8.8EPSS 4.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Heap-based buffer overflow in Mozilla Network Security Services (NSS) before 3.19.2.3 and 3.20.x and 3.21.x before 3.21.1, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to execute arbitrary code via crafted ASN.1 data in an X.509 certificate.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
4.19% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
mozilla/network security services · mozilla/firefox · oracle/linux · oracle/vm server · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · oracle/glassfish server · oracle/iplanet web proxy server · oracle/iplanet web server · opensuse/opensuse
Source
security@mozilla.org

References

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