peter bassill · operator
$ cve CVE-2018-5187 JSON

CVE-2018-5187

9.8
CRITICAL · CVSS 3.0 · EPSS 3% (pctl 87)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

Memory safety bugs present in Firefox 60 and Firefox ESR 60. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61.

Scoring

CVSS9.8 (CRITICAL, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS2.98% — more likely to be exploited than 87% of all CVEs
WeaknessCWE-119
On CISA KEVno
Public exploitnone known
Published2018-10-18
Last modified2026-06-17

Affected (4)

VendorProduct
canonicalubuntu linux
debiandebian linux
mozillafirefox
mozillathunderbird

References

→ the Explorer  ·  watch your stack  ·  NVD