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CVE-2021-23997

Description

Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.

Risk Information

Base Score
8.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.349

Associated Vulnerability

VulnerabilityOS Platform
Multiple vulnerabilities fixed in Mozilla Firefox (88.0)Windows
Multiple vulnerabilities fixed in Mozilla Firefox (x64) (88.0)Windows
Multiple Vulnerabilities are affected in Mozilla Firefox (x64) 87.9-beta1Windows
Multiple Vulnerabilities are affected in Mozilla_Firefox 87.9-beta1Windows
Multiple vulnerabilities are fixed in Mozilla Firefox For Mac (88.0.1)Mac
Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 87.9-beta1Mac
Mozilla Open Source web browser (USN-4926-1) firefox_88.0+build2-0ubuntu0.16.04.1_i386.debLinux
Mozilla Open Source web browser (USN-4926-1) firefox_88.0+build2-0ubuntu0.16.04.1_amd64.debLinux
Mozilla Open Source web browser (USN-4926-1) firefox_88.0+build2-0ubuntu0.18.04.2_i386.debLinux
Mozilla Open Source web browser (USN-4926-1) firefox_88.0+build2-0ubuntu0.18.04.2_amd64.debLinux
Mozilla Open Source web browser (USN-4926-1) firefox_88.0+build2-0ubuntu0.20.04.1_amd64.debLinux
Mozilla Open Source web browser (USN-4926-1) firefox_88.0+build2-0ubuntu0.20.10.1_amd64.debLinux

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-319192Mozilla Firefox (88.0)
PATCH-319193Mozilla Firefox (x64) (88.0)
PATCH-334458Mozilla Firefox (x64) (120.0)
PATCH-334457Mozilla Firefox (120.0)
PATCH-607000Mozilla Firefox For Mac (124.0)
PATCH-611870Mozilla Firefox For Mac (142.0.1)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234