Home/CVE/A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page
CVE

CVE-2023-39928

A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page

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 visit a malicious webpage to trigger this vulnerability.

HIGH · CVSS 8.8 EPSS 0.00175
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
CWE-416Use After Free
▤

Affected Products & Versions

3
webkitgtkall versions
debian linuxall versions
fedoraproject fedoraall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · talos-cna@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Oct 2023 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

12
rhsaRHSA-2025:10364Important
rhsaRHSA-2024:2982Important
rhsaRHSA-2024:2126Important
suse-csafSUSE-SU-2024:0002-1
suse-csafSUSE-SU-2024:0003-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EEMDC5TQAANFH5D77QM34ZTUKXPFGVL/Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202401-33
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1831Third Party Advisory
https://webkitgtk.org/security/WSA-2023-0009.htmlVendor Advisory
https://www.debian.org/security/2023/dsa-5527Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1831
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