CVE-2024-3861: Use After Free
First published: Tue Apr 16 2024(Updated: )
If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/firefox | <115.10 | 115.10 |
| redhat/thunderbird | <115.10 | 115.10 |
| Thunderbird | <115.10 | 115.10 |
| Firefox | <125 | 125 |
| Firefox ESR | <115.10 | 115.10 |
| debian/firefox | 135.0.1-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.7.0esr-1~deb11u1 128.5.0esr-1~deb12u1 128.7.0esr-1~deb12u1 128.7.0esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.7.0esr-1~deb11u1 1:128.5.0esr-1~deb12u1 1:128.7.0esr-1~deb12u1 1:128.7.0esr-1 |
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Reference Links
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/#CVE-2024-3861
- https://access.redhat.com/errata/RHSA-2024:1904
- https://access.redhat.com/errata/RHSA-2024:1905
- https://access.redhat.com/errata/RHSA-2024:1907
- https://access.redhat.com/errata/RHSA-2024:1908
- https://access.redhat.com/errata/RHSA-2024:1906
- https://access.redhat.com/errata/RHSA-2024:1909
- https://access.redhat.com/errata/RHSA-2024:1911
- https://access.redhat.com/errata/RHSA-2024:1912
- https://access.redhat.com/errata/RHSA-2024:1910
- https://bugzilla.redhat.com/show_bug.cgi?id=2275553
- https://bugzilla.mozilla.org/show_bug.cgi?id=1883158
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-20/
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
- https://www.mozilla.org/security/advisories/mfsa2024-18/
- https://www.mozilla.org/security/advisories/mfsa2024-19/
- https://www.mozilla.org/security/advisories/mfsa2024-20/
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
- https://launchpad.net/bugs/cve/CVE-2024-3861
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/#CVE-2024-3861
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-20/#CVE-2024-3861
- https://security-tracker.debian.org/tracker/CVE-2024-3861
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3861
- https://nvd.nist.gov/vuln/detail/CVE-2024-3861
- https://ubuntu.com/security/CVE-2024-3861
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2024-3861?
CVE-2024-3861 has been categorized as a medium severity vulnerability.
How do I fix CVE-2024-3861?
To fix CVE-2024-3861, upgrade affected software to the specified versions, such as Firefox 115.10 or newer.
What software is affected by CVE-2024-3861?
CVE-2024-3861 affects versions of Firefox, Thunderbird, and Firefox ESR up to 115.10.
What risks are associated with CVE-2024-3861?
CVE-2024-3861 can lead to use-after-free vulnerabilities, possibly allowing an attacker to execute arbitrary code.
Is there a workaround for CVE-2024-3861?
Currently, upgrading to the fixed versions is the recommended resolution for CVE-2024-3861, with no known workarounds.
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