VDB
DEBIAN-CVE-2021-21806
DEBIAN-CVE-2021-21806
PUBLISHED
CVSS 8.800000190734863 HIGH
Record from OSV · Published July 8, 2021
An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| wpewebkit | Debian:12 | 2.30.6-1 |
| wpewebkit | Debian:13 | 2.30.6-1 |
| webkit2gtk | Debian:12 | 2.30.6-1 |
| webkit2gtk | Debian:13 | 2.30.6-1 |
| wpewebkit | Debian:14 | 2.30.6-1 |
| webkit2gtk | Debian:14 | 2.30.6-1 |
Risk scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | wpewebkit | 0 |
| Debian:13 | wpewebkit | 0 |
| Debian:12 | webkit2gtk | 0 |
| Debian:13 | webkit2gtk | 0 |
| Debian:14 | wpewebkit | 0 |
| Debian:14 | webkit2gtk | 0 |
Timeline
- Jul 8, 2021 CVE Published
- Oct 23, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln DEBIAN-CVE-2021-21806
vulnetix vdb fixes DEBIAN-CVE-2021-21806Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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