CVE-2021-23962 — Mozilla Firefox vulnerability

6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 43.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedFeb 26
Latest updateMay 24

Description

Incorrect use of the '' method could have led to a user-after-poison and a potentially exploitable crash. This vulnerability affects Firefox < 85.

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 Packages5 packages

▶debiandebian/firefox< firefox 85.0-1 (sid)
▶CVEListV5mozilla/firefox< 85
▶NVDmozilla/firefox< 85.0
▶Ubuntumozilla/firefox< 85.0+build1-0ubuntu0.16.04.1+2
▶mozillamozilla/firefox

🔴Vulnerability Details

2
GHSA
GHSA-cgj5-m6v7-hf6x: Incorrect use of the '' method could have led to a user-after-poison and a potentially exploitable crash↗2022-05-24
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OSV
CVE-2021-23962: Incorrect use of the '' method could have led to a user-after-poison and a potentially exploitable crash↗2021-01-26
▶

📋Vendor Advisories

3
Ubuntu
Firefox vulnerabilities↗2021-02-01
▶
Debian
CVE-2021-23962: firefox - Incorrect use of the '<RowCountChanged>' method could have led to a user-after-p...↗2021
▶
Mozilla
Mozilla Foundation Security Advisory 2021-03: CVE-2021-23962↗
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