CVE-2023-4056
First published: Tue Aug 01 2023(Updated: )
Last updated 24 July 2024
Credit: security@mozilla.org security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <102.14 | 102.14 |
| Mozilla Firefox ESR | <102.14 | 102.14 |
| Mozilla Firefox ESR | <115.1 | 115.1 |
| Mozilla Thunderbird | <115.1 | 115.1 |
| redhat/firefox | <102.14 | 102.14 |
| redhat/firefox | <115.1 | 115.1 |
| redhat/thunderbird | <102.14 | 102.14 |
| redhat/thunderbird | <115.1 | 115.1 |
| Mozilla Firefox | <116 | 116 |
| Mozilla Firefox | <116.0 | |
| Mozilla Firefox ESR | <102.14 | |
| Debian Debian Linux | =11.0 | |
| Debian Debian Linux | =12.0 | |
| Mozilla Firefox ESR | >=102.0<102.14 | |
| Mozilla Firefox ESR | >=115.0<115.1 | |
| Debian Debian Linux | =10.0 | |
| Mozilla Firefox | >=102.0<102.14 | |
| Mozilla Firefox | >=115.0<115.1 | |
| debian/firefox | 133.0-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.5.0esr-1~deb11u1 128.3.1esr-1~deb12u1 128.5.0esr-1~deb12u1 128.5.0esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.5.0esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.5.0esr-1~deb12u1 1:128.5.0esr-1 | |
| <116.0 | ||
| >=102.0<102.14 | ||
| >=115.0<115.1 | ||
| =10.0 | ||
| =11.0 | ||
| =12.0 |
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Reference Links
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1820587%2C1824634%2C1839235%2C1842325%2C1843847
- https://www.mozilla.org/security/advisories/mfsa2023-29/
- https://www.mozilla.org/security/advisories/mfsa2023-30/
- https://www.mozilla.org/security/advisories/mfsa2023-31/
- https://www.debian.org/security/2023/dsa-5464
- https://www.debian.org/security/2023/dsa-5469
- https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
- https://launchpad.net/bugs/cve/CVE-2023-4056
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4056
- https://access.redhat.com/errata/RHSA-2023:4460
- https://access.redhat.com/errata/RHSA-2023:4461
- https://access.redhat.com/errata/RHSA-2023:4462
- https://access.redhat.com/errata/RHSA-2023:4464
- https://access.redhat.com/errata/RHSA-2023:4463
- https://access.redhat.com/errata/RHSA-2023:4465
- https://access.redhat.com/errata/RHSA-2023:4469
- https://access.redhat.com/errata/RHSA-2023:4468
- https://access.redhat.com/errata/RHSA-2023:4492
- https://access.redhat.com/errata/RHSA-2023:4494
- https://access.redhat.com/errata/RHSA-2023:4493
- https://access.redhat.com/errata/RHSA-2023:4495
- https://access.redhat.com/errata/RHSA-2023:4496
- https://access.redhat.com/errata/RHSA-2023:4499
- https://access.redhat.com/errata/RHSA-2023:4497
- https://access.redhat.com/errata/RHSA-2023:4500
- https://access.redhat.com/security/cve/cve-2023-4056
- https://bugzilla.redhat.com/show_bug.cgi?id=2228370
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/#CVE-2023-4056
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4056
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4056
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4056
- https://security-tracker.debian.org/tracker/CVE-2023-4056
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4056
- https://nvd.nist.gov/vuln/detail/CVE-2023-4056
- https://ubuntu.com/security/CVE-2023-4056
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2023-4056?
CVE-2023-4056 is a vulnerability related to memory safety bugs present in Firefox and Thunderbird.
Which software versions are affected by CVE-2023-4056?
CVE-2023-4056 affects Firefox versions up to and excluding 116, Firefox ESR versions up to and excluding 102.14, Thunderbird versions up to and excluding 115.1, and Thunderbird ESR versions up to and excluding 102.14.
What is the severity of CVE-2023-4056?
CVE-2023-4056 has a severity rating of 9.8, which is considered critical.
How can I fix CVE-2023-4056?
To fix CVE-2023-4056, update your Firefox and Thunderbird installations to versions 116 (or later), 102.14 (or later), 115.1 (or later), and 102.14 (or later) respectively.
Where can I find more information about CVE-2023-4056?
You can find more information about CVE-2023-4056 in the following references: [Reference 1](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1820587%2C1824634%2C1839235%2C1842325%2C1843847), [Reference 2](https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/), [Reference 3](https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/).
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- version/mozilla firefox/102.0
- version/mozilla firefox/115.0