CVE-2018-5186 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-120 — Classic Buffer Overflow10 documents7 sources
Severity
9.8CRITICALNVD
OSV4.3
EPSS
1.7%
top 17.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxDebian FirefoxCanonical Ubuntu Linux
Timeline
PublishedOct 18
Latest updateMay 14

Description

Memory safety bugs present in Firefox 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 Firefox < 61.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/firefox< firefox 61.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 61
▶NVDmozilla/firefox< 61.0
▶Ubuntumozilla/firefox< 61.0.1+build1-0ubuntu0.14.04.1+5

Also affects: Ubuntu Linux 14.04, 16.04, 17.10, 18.04

🔴Vulnerability Details

4
GHSA
GHSA-f775-fgwg-5qvw: Memory safety bugs present in Firefox 60↗2022-05-14
▶
OSV
firefox regressions↗2018-07-10
▶
OSV
firefox vulnerabilities↗2018-07-05
▶
OSV
CVE-2018-5186: Memory safety bugs present in Firefox 60↗2018-06-27
▶

📋Vendor Advisories

4
Ubuntu
Firefox regressions↗2018-07-10
▶
Ubuntu
Firefox vulnerabilities↗2018-07-05
▶
Red Hat
Mozilla: Memory safety bugs fixed in Firefox 61↗2018-06-26
▶
Debian
CVE-2018-5186: firefox - Memory safety bugs present in Firefox 60. Some of these bugs showed evidence of ...↗2018
▶

💬Community

1
Bugzilla
CVE-2018-5186 Mozilla: Memory safety bugs fixed in Firefox 61↗2018-06-26
▶