CVE-2017-7784Use After Free in Mozilla Firefox

CWE-416Use After Free13 documents8 sources
Severity
9.8CRITICALNVD
OSV9.1
EPSS
5.2%
top 10.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 11
Latest updateMay 14

Description

A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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 Packages7 packages

NVDmozilla/firefox< 55.0
NVDmozilla/thunderbird< 52.3.0
Ubuntumozilla/thunderbird< 1:52.3.0+build1-0ubuntu0.14.04.1+1
NVDredhat/enterprise_linux_server5.0, 6.0, 7.0+2

Also affects: Debian Linux 8.0, 9.0, Enterprise Linux 5.0, 6.0, 7.0, 7.3, 7.4, 7.5

🔴Vulnerability Details

7
GHSA
GHSA-mhrc-3vwx-42rv: A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed2022-05-14
CVEList
CVE-2017-7784: A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed2018-06-11
OSV
CVE-2017-7784: A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed2018-06-11
OSV
thunderbird vulnerabilities2017-09-14
OSV
firefox regression2017-08-17

📋Vendor Advisories

4
Ubuntu
Thunderbird vulnerabilities2017-09-14
Ubuntu
Firefox vulnerabilities2017-08-15
Red Hat
Mozilla: Use-after-free with image observers (MFSA 2017-19)2017-08-08
Debian
CVE-2017-7784: firefox - A use-after-free vulnerability can occur when reading an image observer during f...2017

💬Community

1
Bugzilla
CVE-2017-7784 Mozilla: Use-after-free with image observers (MFSA 2017-19)2017-08-08
CVE-2017-7784 — Use After Free in Mozilla Firefox | cvebase