Vulnerability · Published Oct 6, 2023 · Assigned by talos
CVE-2023-39928
High 8.8
In plain English
A high-severity use-after-free in Webkit from Webkit. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 26.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.42.5-1.el8 | ALSA-2024:2982 |
| AlmaLinux:9 | webkit2gtk3 | 2.42.5-1.el9 | ALSA-2024:2126 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.42.5-1.el8 | ALSA-2024:2982 |
| AlmaLinux:9 | webkit2gtk3-devel | 2.42.5-1.el9 | ALSA-2024:2126 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.42.5-1.el8 | ALSA-2024:2982 |
| AlmaLinux:9 | webkit2gtk3-jsc | 2.42.5-1.el9 | ALSA-2024:2126 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.42.5-1.el8 | ALSA-2024:2982 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | 2.42.5-1.el9 | ALSA-2024:2126 |
| Debian:12 | webkit2gtk | 2.42.1-1~deb12u1 | DEBIAN-CVE-2023-39928 |
| Debian:12 | webkit2gtk | 2.42.1-1~deb12u1 | DSA-5527-1 |
| Debian:13 | webkit2gtk | 2.42.0-1 | DEBIAN-CVE-2023-39928 |
| Debian:14 | webkit2gtk | 2.42.0-1 | DEBIAN-CVE-2023-39928 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2023-39928 |
| Debian:13 | wpewebkit | 2.42.0-1 | DEBIAN-CVE-2023-39928 |
| Debian:14 | wpewebkit | 2.42.0-1 | DEBIAN-CVE-2023-39928 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.42.5-1.el8 | RLSA-2024:2982 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2023-39928 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2023-39928 |
| Ubuntu:22.04:LTS | webkit2gtk | 2.42.1-0ubuntu0.22.04.1 | UBUNTU-CVE-2023-39928 |
| Ubuntu:22.04:LTS | webkit2gtk | 2.42.1-0ubuntu0.22.04.1 | USN-6426-1 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2023-39928 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1831
- https://webkitgtk.org/security/WSA-2023-0009.html
- https://www.debian.org/security/2023/dsa-5527
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EEMDC5TQAANFH5D77QM34ZTUKXPFGVL/
- https://security.gentoo.org/glsa/202401-33
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1831