CVE-2019-11758 — Out-of-bounds Write in Mozilla Firefox
Severity
8.8HIGHNVD
OSV7.5
EPSS
0.8%
top 25.10%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 8
Latest updateMay 24
Description
Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages7 packages
Also affects: Ubuntu Linux 16.04
🔴Vulnerability Details
5GHSA▶
GHSA-vq8v-gqr8-jrr5: Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed↗2022-05-24
CVEList▶
CVE-2019-11758: Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed↗2020-01-08
📋Vendor Advisories
5Debian▶
CVE-2019-11758: firefox-esr - Mozilla community member Philipp reported a memory safety bug present in Firefox...↗2019