Vulnerability · Published Dec 22, 2022 · Assigned by mozilla
CVE-2022-34480
High 8.8
In plain English
A high-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 52.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Within the <code>lg_init()</code> function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated. This vulnerability affects Firefox < 102.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Alpine:v3.21 | firefox | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Alpine:v3.22 | firefox | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Alpine:v3.23 | firefox | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Alpine:v3.21 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Alpine:v3.22 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Alpine:v3.23 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Alpine:v3.24 | librewolf | 102.0-r0 | ALPINE-CVE-2022-34480 |
| Ubuntu:22.04:LTS | nss | 2:3.68.2-0ubuntu1.1 | USN-5506-1 |
| Ubuntu:22.04:LTS | nss | 2:3.68.2-0ubuntu1.1 | UBUNTU-CVE-2022-34480 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.2.2+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2022-34480 |
Affected products (as reported)
Weakness: CWE-824 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H