CVE-2022-34480 — Access of Uninitialized Pointer in Mozilla Firefox

CWE-824 — Access of Uninitialized Pointer12 documents7 sources
Severity
8.8HIGHNVD
OSV6.5
EPSS
0.4%
top 36.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla NSSMozilla Thunderbird+1 more
Timeline
PublishedDec 22
Latest updateFeb 15

Description

Within the lg_init() 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages7 packages

▶debiandebian/firefox< firefox 102.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 102
▶NVDmozilla/firefox< 102.0
▶Ubuntumozilla/firefox< 102.0+build2-0ubuntu0.18.04.1+1
▶mozillamozilla/firefox

🔴Vulnerability Details

5
OSV
nss vulnerabilities↗2023-02-15
▶
GHSA
GHSA-gx64-jm35-rwvr: Within the lg_init() function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being a↗2022-12-22
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OSV
nss vulnerabilities↗2022-07-07
▶
OSV
firefox vulnerabilities↗2022-07-05
▶
OSV
CVE-2022-34480: Within the lg_init() function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being a↗2022-07-05
▶

📋Vendor Advisories

6
Ubuntu
NSS vulnerabilities↗2023-02-15
▶
Ubuntu
NSS vulnerabilities↗2022-07-07
▶
Ubuntu
Firefox vulnerabilities↗2022-07-05
▶
Red Hat
firefox: Free of uninitialized pointer in lg_init↗2022-06-28
▶
Debian
CVE-2022-34480: firefox - Within the <code>lg_init()</code> function, if several allocations succeed but t...↗2022
▶