CVE-2021-43534
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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 < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
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
0.754
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Multiple Vulnerabilities are affected in Mozilla Firefox 93.0 | Windows |
| Multiple Vulnerabilities are affected in Firefox ESR for Mac 91.2 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 91.2 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 93.0 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Thunderbird for Mac 91.2 | Mac |
| firefox-esr security update(DSA-5026-1) firefox-esr_91.4.1esr-1~deb11u1_amd64.deb | Linux |
| thunderbird security update(DSA-5034-1) thunderbird_91.4.1-1~deb10u1_i386.deb | Linux |
| thunderbird security update(DSA-5034-1) thunderbird_91.4.1-1~deb10u1_amd64.deb | Linux |
| thunderbird security update(DSA-5034-1) thunderbird_91.4.1-1~deb11u1_amd64.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-5248-1) thunderbird_91.5.0+build1-0ubuntu0.18.04.1_i386.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-5248-1) thunderbird_91.5.0+build1-0ubuntu0.18.04.1_amd64.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-5248-1) thunderbird_91.5.0+build1-0ubuntu0.20.04.1_amd64.deb | Linux |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-343015 | Mozilla Firefox (132.0.2) |
| PATCH-611808 | Mozilla Firefox ESR for MAC 128.14.0 |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-611807 | Mozilla Thunderbird For Mac (142.0) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234