Use After Free in Webkitgtk
CVE-2020-10018
WebKitGTK through 2.26.4 and WPE WebKit through 2.26.4 (which are the versions right before 2.28.0) contains a memory corruption issue (use-after-free) that may lead to arbitrary code execution. This issue has been fixed in 2.28.0 with improved memory handling.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.050 (92.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
- Webkitgtk
- Wpewebkit Wpe Webkit
- Canonical Ubuntu Linux — versions 18.04, 19.10
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 30, 31
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
References
- bugs.webkit.org/show_bug.cgi (Permissions Required, Vendor Advisory)
- webkitgtk.org/security/WSA-2020-0003.html (Vendor Advisory)
- wpewebkit.org/security/WSA-2020-0003.html (Vendor Advisory)
- www.debian.org/security/2020/dsa-4641 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4310-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00008.html (vendor-advisory, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202006-08 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10018?
- CVE-2020-10018 is a critical-severity vulnerability in Webkitgtk, classified under Use After Free. CVSS score: 9.8/10. Published 2020-03-02.
- How severe is CVE-2020-10018?
- Critical severity. CVSS v3 base score is 9.8 out of 10.