CVE-2022-40960 describes a use-after-free vulnerability in the URL parser of Mozilla Firefox, Firefox ESR, and Thunderbird. This flaw arises from concurrent use of the URL parser with non-UTF-8 data, which was not thread-safe. Rated as Medium severity (CVSS 6.5), it can be triggered remotely with low attack complexity, potentially leading to a denial of service (crash). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 105.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 102.3CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | ||
< 102.3CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.