cbcvebase.
CVE-2018-5187
published 2018-10-18

CVE-2018-5187: 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…

PriorityP339critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
2.98%
85.6th percentile
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.

Affected

24 ranges
VendorProductVersion rangeFixed in
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
debiandebian_linux
debiandebian_linux
debianfirefox< firefox 61.0-1 (sid)firefox 61.0-1 (sid)
debianthunderbird< firefox 61.0-1 (sid)firefox 61.0-1 (sid)
mozillafirefox< 60.1.060.1.0
mozillafirefox< 61.061.0
mozillafirefox>= 0 < 61.0.1+build1-0ubuntu0.14.04.161.0.1+build1-0ubuntu0.14.04.1
mozillafirefox>= 0 < 61.0+build3-0ubuntu0.14.04.261.0+build3-0ubuntu0.14.04.2
mozillafirefox>= 0 < 61.0.1+build1-0ubuntu0.16.04.161.0.1+build1-0ubuntu0.16.04.1
mozillafirefox>= 0 < 61.0+build3-0ubuntu0.16.04.261.0+build3-0ubuntu0.16.04.2
mozillafirefox>= 0 < 61.0.1+build1-0ubuntu0.18.04.161.0.1+build1-0ubuntu0.18.04.1
mozillafirefox>= 0 < 61.0+build3-0ubuntu0.18.04.161.0+build3-0ubuntu0.18.04.1
mozillafirefox>= unspecified < 6161
mozillafirefox_esr>= unspecified < 60.160.1
mozillathunderbird< 60.060.0
mozillathunderbird>= 0 < 1:60.0-11:60.0-1
mozillathunderbird>= 0 < 1:60.0-11:60.0-1
mozillathunderbird>= 0 < 1:60.0-11:60.0-1
mozillathunderbird>= 0 < 1:60.0-11:60.0-1
mozillathunderbird>= unspecified < 6060

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu4.3MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.