Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-26382
Medium 4.3
In plain English
A medium-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 56.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to this text being inferred by the webpage. This vulnerability affects Firefox < 98.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Alpine:v3.21 | firefox | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Alpine:v3.22 | firefox | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Alpine:v3.23 | firefox | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Alpine:v3.21 | librewolf | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Alpine:v3.22 | librewolf | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Alpine:v3.23 | librewolf | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Alpine:v3.24 | librewolf | 98.0-r0 | ALPINE-CVE-2022-26382 |
| Ubuntu:22.04:LTS | firefox | 1:1snap1-0ubuntu1 | UBUNTU-CVE-2022-26382 |
Affected products (as reported)
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N