CVE-2022-45407 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free7 documents6 sources
Severity
7.5HIGHNVD
OSV8.1
EPSS
0.4%
top 38.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedDec 22

Description

If an attacker loaded a font using FontFace() on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash. This vulnerability affects Firefox < 107.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶debiandebian/firefox< firefox 107.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 107
▶NVDmozilla/firefox< 107.0
▶Ubuntumozilla/firefox< 107.0+build2-0ubuntu0.18.04.1+1
▶mozillamozilla/firefox

🔴Vulnerability Details

3
GHSA
GHSA-5459-wr9w-wpcp: If an attacker loaded a font using FontFace() on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash↗2022-12-22
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OSV
CVE-2022-45407: If an attacker loaded a font using FontFace() on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash↗2022-11-16
▶
OSV
firefox vulnerabilities↗2022-11-16
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📋Vendor Advisories

3
Ubuntu
Firefox vulnerabilities↗2022-11-16
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Debian
CVE-2022-45407: firefox - If an attacker loaded a font using <code>FontFace()</code> on a background worke...↗2022
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Mozilla
Mozilla Foundation Security Advisory 2022-47: CVE-2022-45407↗
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