CVE-2022-36320 — Out-of-bounds Write in Mozilla Firefox

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
9.8CRITICALNVD
EPSS
0.5%
top 33.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla ThunderbirdDebian Firefox
Timeline
PublishedDec 22

Description

Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 102. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 103.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5mozilla/firefoxunspecified — 103
▶NVDmozilla/firefox< 103.0
▶Ubuntumozilla/firefox< 103.0+build1-0ubuntu0.18.04.1+1
▶mozillamozilla/firefox
▶debiandebian/firefox< firefox 103.0-1 (sid)

🔴Vulnerability Details

2
GHSA
GHSA-c7rr-pw6j-xvp5: Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 102↗2022-12-22
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OSV
CVE-2022-36320: Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 102↗2022-07-27
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📋Vendor Advisories

3
Ubuntu
Firefox vulnerabilities↗2022-07-28
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Debian
CVE-2022-36320: firefox - Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs pres...↗2022
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Mozilla
Mozilla Foundation Security Advisory 2022-28: CVE-2022-36320↗
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