CVE-2019-17013 — Use After Free in Mozilla Firefox

CWE-416 — Use After FreeCWE-787 — Out-of-bounds WriteCWE-120 — Classic Buffer Overflow8 documents7 sources
Severity
8.8HIGHNVD
EPSS
0.4%
top 39.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedJan 8
Latest updateMay 24

Description

Mozilla developers reported memory safety bugs present in Firefox 70. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 71.

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 Packages4 packages

▶NVDmozilla/firefox< 71.0
▶Ubuntumozilla/firefox< 71.0+build5-0ubuntu0.16.04.1+2
▶CVEListV5mozilla/firefoxbefore 71
▶debiandebian/firefox< firefox 71.0-1 (sid)

Patches

Patch: bugzilla.mozilla.org ↗Patch: bugzilla.mozilla.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-rf72-xhmw-2xvx: Mozilla developers reported memory safety bugs present in Firefox 70↗2022-05-24
▶
OSV
CVE-2019-17013: Mozilla developers reported memory safety bugs present in Firefox 70↗2019-12-04
▶

📋Vendor Advisories

4
Ubuntu
Firefox vulnerabilities↗2019-12-13
▶
Ubuntu
Firefox vulnerabilities↗2019-12-09
▶
Red Hat
Mozilla: Memory safety bugs fixed in Firefox 71↗2019-12-03
▶
Debian
CVE-2019-17013: firefox - Mozilla developers reported memory safety bugs present in Firefox 70. Some of th...↗2019
▶

💬Community

1
Bugzilla
CVE-2019-17013 Mozilla: Memory safety bugs fixed in Firefox 71↗2019-12-04
▶