CVE-2019-11734 — Out-of-bounds Write in Mozilla Firefox

CWE-787 — Out-of-bounds WriteCWE-120 — Classic Buffer Overflow11 documents7 sources
Severity
9.8CRITICALNVD
EPSS
0.4%
top 37.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedSep 27
Latest updateMay 24

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 68. 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 < 69.

CVSS vector

CVSS:3.1/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 — 69
▶NVDmozilla/firefox< 69.0
▶Ubuntumozilla/firefox< 69.0+build2-0ubuntu0.16.04.4+3
▶debiandebian/firefox< firefox 69.0-1 (sid)

🔴Vulnerability Details

4
GHSA
GHSA-g4xh-2wqg-48r3: Mozilla developers and community members reported memory safety bugs present in Firefox 68↗2022-05-24
▶
OSV
firefox regression↗2019-10-08
▶
OSV
firefox vulnerabilities↗2019-09-04
▶
OSV
CVE-2019-11734: Mozilla developers and community members reported memory safety bugs present in Firefox 68↗2019-09-04
▶

📋Vendor Advisories

4
Ubuntu
Firefox regression↗2019-10-08
▶
Ubuntu
Firefox vulnerabilities↗2019-09-04
▶
Red Hat
Mozilla: Memory safety bugs fixed in Firefox 69↗2019-09-03
▶
Debian
CVE-2019-11734: firefox - Mozilla developers and community members reported memory safety bugs present in ...↗2019
▶

💬Community

2
Bugzilla
CVE-2019-11734 Mozilla: Memory safety bugs fixed in Firefox 69↗2019-09-04
▶
Bugzilla
Firefox 69.0 is available↗2019-09-03
▶