High severity · published Oct 6, 2023
CVE-2023-39928
A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5
8.8
CVSS
1.4%
EPSS
No
On KEV
Description
A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
11.0; 12.0 · source: NVD
FE
Fedora · Fedoraproject
37 · source: NVD
WE
Webkitgtk · Webkitgtk
2.40.5 · source: NVD