CVE-2019-9789 — Out-of-bounds Write in Mozilla Firefox

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer12 documents5 sources
Severity
9.8CRITICALNVD
EPSS
0.4%
top 36.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedApr 26
Latest updateMay 24

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 65. 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 < 66.

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

▶CVEListV5mozilla/firefoxunspecified — 66
▶NVDmozilla/firefox< 66.0
▶Ubuntumozilla/firefox< 66.0.2+build1-0ubuntu0.14.04.1+8
▶debiandebian/firefox< firefox 66.0-1 (sid)

🔴Vulnerability Details

6
GHSA
GHSA-wfgh-93p3-fwf9: Mozilla developers and community members reported memory safety bugs present in Firefox 65↗2022-05-24
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OSV
firefox regressions↗2019-04-16
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OSV
firefox regression↗2019-03-28
▶
OSV
firefox vulnerabilities↗2019-03-25
▶
OSV
firefox vulnerabilities↗2019-03-21
▶

📋Vendor Advisories

5
Ubuntu
Firefox regressions↗2019-04-16
▶
Ubuntu
Firefox regression↗2019-03-28
▶
Ubuntu
Firefox vulnerabilities↗2019-03-25
▶
Ubuntu
Firefox vulnerabilities↗2019-03-21
▶
Debian
CVE-2019-9789: firefox - Mozilla developers and community members reported memory safety bugs present in ...↗2019
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