Use After Free in Webkitgtk
CVE-2021-45482
In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different vulnerability than CVE-2021-30889.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3 (Exploit, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/01/21/2 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45482?
- CVE-2021-45482 is a medium-severity vulnerability in Webkitgtk, classified under Use After Free. CVSS score: 6.5/10. Published 2021-12-25.
- How severe is CVE-2021-45482?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-45482 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.