CVE-2017-7819 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
EPSS
6.9%
top 8.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
Description
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
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 Packages10 packages
Also affects: Debian Linux 7.0, 8.0, 9.0, Enterprise Linux 7.4, 7.5
Patches
🔴Vulnerability Details
6GHSA▶
GHSA-crj5-jxxg-27p8: A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from↗2022-05-14
CVEList▶
CVE-2017-7819: A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from↗2018-06-11
OSV▶
CVE-2017-7819: A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from↗2018-06-11
📋Vendor Advisories
4Debian▶
CVE-2017-7819: firefox - A use-after-free vulnerability can occur in design mode when image objects are r...↗2017
💬Community
1Bugzilla▶
CVE-2017-7819 Mozilla: Use-after-free while resizing images in design mode (MFSA 2017-22)↗2017-09-28