CVE-2017-5403 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
EPSS
0.5%
top 33.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
Description
When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.
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 Packages6 packages
🔴Vulnerability Details
4GHSA▶
GHSA-qqx4-4522-hc7j: When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object↗2022-05-14
OSV▶
CVE-2017-5403: When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object↗2017-03-07