SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-4484

The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared…

MEDIUM 5.0EPSS 4.27%

Does this matter?

Lower severity and a low EPSS score (4.27%). Track it; it rarely justifies an emergency change on its own.

Description

The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
4.27% probability · 91th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
canonical/ubuntu linux · opensuse/opensuse · mozilla/firefox · oracle/solaris
Source
security@mozilla.org

References

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