CVE-2023-4049: Use After Free
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 Thunderbird | <115.1 | 115.1 |
| Mozilla Firefox ESR | <102.14 | 102.14 |
| Mozilla Firefox ESR | <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 | >=102.0<102.14 | |
| Mozilla Firefox ESR | >=115.0<115.1 | |
| Debian Debian Linux | =11.0 | |
| Debian Debian Linux | =12.0 | |
| Mozilla Firefox | >=102.0<102.14 | |
| Mozilla Firefox | >=115.0<115.1 | |
| debian/firefox | 132.0.2-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.4.0esr-1~deb11u1 128.3.1esr-1~deb12u1 128.4.0esr-1~deb12u1 128.3.1esr-2 128.4.0esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.4.3esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.4.0esr-1~deb12u1 1:128.4.2esr-1 1:128.4.3esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1842658
- https://www.mozilla.org/security/advisories/mfsa2023-30/
- https://www.mozilla.org/security/advisories/mfsa2023-31/
- https://www.mozilla.org/security/advisories/mfsa2023-29/
- 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-2023-4049
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/
- 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/mfsa2023-30/#CVE-2023-4049
- 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-2023-4049
- https://bugzilla.redhat.com/show_bug.cgi?id=2228364
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/#CVE-2023-4049
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4049
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4049
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4049
- https://security-tracker.debian.org/tracker/CVE-2023-4049
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4049
- https://nvd.nist.gov/vuln/detail/CVE-2023-4049
- https://ubuntu.com/security/CVE-2023-4049
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2023-4049?
The severity of CVE-2023-4049 is high.
Which software versions are affected by CVE-2023-4049?
The affected software versions are Firefox <116, Firefox ESR <102.14, and Firefox ESR <115.1.
How can I fix CVE-2023-4049?
To fix CVE-2023-4049, update to Firefox version 116 or later, Firefox ESR version 102.14 or later, or Firefox ESR version 115.1 or later.
Where can I find more information about CVE-2023-4049?
You can find more information about CVE-2023-4049 in the following references: [link1], [link2], [link3].
- collector/nvd-latest
- agent/weakness
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/severity
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-4049
- agent/software-canonical-lookup-request
- collector/nvd-cve
- source/NVD
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- collector/security-tracker-debian
- source/Debian
- agent/last-modified-date
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- vendor/mozilla
- canonical/mozilla thunderbird
- canonical/mozilla firefox esr
- package-manager/redhat
- canonical/mozilla firefox
- version/mozilla firefox esr/102.0
- version/mozilla firefox esr/115.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/11.0
- version/debian debian linux/12.0
- package-manager/debian
- version/mozilla firefox/102.0
- version/mozilla firefox/115.0