CVE-2023-25739: Use After Free
First published: Tue Feb 14 2023(Updated: )
Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in <code>ScriptLoadContext</code>. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/firefox | <0:102.8.0-2.el7_9 | 0:102.8.0-2.el7_9 |
| redhat/thunderbird | <0:102.8.0-2.el7_9 | 0:102.8.0-2.el7_9 |
| redhat/firefox | <0:102.8.0-2.el8_7 | 0:102.8.0-2.el8_7 |
| redhat/thunderbird | <0:102.8.0-2.el8_7 | 0:102.8.0-2.el8_7 |
| redhat/firefox | <0:102.8.0-2.el8_1 | 0:102.8.0-2.el8_1 |
| redhat/thunderbird | <0:102.8.0-2.el8_1 | 0:102.8.0-2.el8_1 |
| redhat/firefox | <0:102.8.0-2.el8_2 | 0:102.8.0-2.el8_2 |
| redhat/thunderbird | <0:102.8.0-2.el8_2 | 0:102.8.0-2.el8_2 |
| redhat/firefox | <0:102.8.0-2.el8_4 | 0:102.8.0-2.el8_4 |
| redhat/thunderbird | <0:102.8.0-2.el8_4 | 0:102.8.0-2.el8_4 |
| redhat/firefox | <0:102.8.0-2.el8_6 | 0:102.8.0-2.el8_6 |
| redhat/thunderbird | <0:102.8.0-2.el8_6 | 0:102.8.0-2.el8_6 |
| redhat/firefox | <0:102.8.0-2.el9_1 | 0:102.8.0-2.el9_1 |
| redhat/thunderbird | <0:102.8.0-2.el9_1 | 0:102.8.0-2.el9_1 |
| redhat/firefox | <0:102.8.0-2.el9_0 | 0:102.8.0-2.el9_0 |
| redhat/thunderbird | <0:102.8.0-2.el9_0 | 0:102.8.0-2.el9_0 |
| Mozilla Thunderbird | <102.8 | 102.8 |
| Mozilla Firefox ESR | <102.8 | 102.8 |
| redhat/firefox | <102.8 | 102.8 |
| redhat/thunderbird | <102.8 | 102.8 |
| Mozilla Firefox | <110 | 110 |
| Mozilla Firefox | <110.0 | |
| Mozilla Firefox ESR | <102.8 | |
| Mozilla Thunderbird | <102.8 | |
| ubuntu/firefox | <110.0+ | 110.0+ |
| ubuntu/firefox | <110.0+ | 110.0+ |
| ubuntu/firefox | <110.0-1 | 110.0-1 |
| ubuntu/mozjs102 | <102.11.0-0ubuntu0.22.04.1 | 102.11.0-0ubuntu0.22.04.1 |
| ubuntu/mozjs102 | <102.11.0-0ubuntu0.22.10.1 | 102.11.0-0ubuntu0.22.10.1 |
| ubuntu/mozjs102 | <102.11.0-0ubuntu0.23.04.1 | 102.11.0-0ubuntu0.23.04.1 |
| ubuntu/thunderbird | <1:102.8.0+ | 1:102.8.0+ |
| ubuntu/thunderbird | <1:102.8.0+ | 1:102.8.0+ |
| ubuntu/thunderbird | <1:102.8.0+ | 1:102.8.0+ |
| ubuntu/thunderbird | <1:102.8.0+ | 1:102.8.0+ |
| debian/firefox | 129.0-1 | |
| debian/firefox-esr | 115.12.0esr-1~deb11u1 115.13.0esr-1~deb11u1 115.12.0esr-1~deb12u1 115.13.0esr-1~deb12u1 115.13.0esr-2 115.14.0esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:115.13.0-1~deb11u1 1:115.12.0-1~deb12u1 1:115.13.0-1~deb12u1 1:115.13.0-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1811939
- https://www.mozilla.org/security/advisories/mfsa2023-05/
- https://www.mozilla.org/security/advisories/mfsa2023-07/
- https://www.mozilla.org/security/advisories/mfsa2023-06/
- https://www.cve.org/CVERecord?id=CVE-2023-25739 https://nvd.nist.gov/vuln/detail/CVE-2023-25739 https://www.mozilla.org/en-US/security/advisories/mfsa2023-06/#CVE-2023-25739 https://www.mozilla.org/en-US/security/advisories/mfsa2023-07/#CVE-2023-25739
- https://bugzilla.redhat.com/show_bug.cgi?id=2170381
- https://access.redhat.com/errata/RHSA-2023:0812
- https://access.redhat.com/errata/RHSA-2023:0817
- https://access.redhat.com/errata/RHSA-2023:0808
- https://access.redhat.com/errata/RHSA-2023:0821
- https://access.redhat.com/errata/RHSA-2023:0806
- https://access.redhat.com/errata/RHSA-2023:0818
- https://access.redhat.com/errata/RHSA-2023:0811
- https://access.redhat.com/errata/RHSA-2023:0819
- https://access.redhat.com/errata/RHSA-2023:0805
- https://access.redhat.com/errata/RHSA-2023:0820
- https://access.redhat.com/errata/RHSA-2023:0807
- https://access.redhat.com/errata/RHSA-2023:0822
- https://access.redhat.com/errata/RHSA-2023:0810
- https://access.redhat.com/errata/RHSA-2023:0824
- https://access.redhat.com/errata/RHSA-2023:0809
- https://access.redhat.com/errata/RHSA-2023:0823
- https://access.redhat.com/security/cve/cve-2023-25739
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-07/
- https://launchpad.net/bugs/cve/CVE-2023-25739
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-06/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-07/#CVE-2023-25746
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-06/#CVE-2023-25739
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-05/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-05/#CVE-2023-25739
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-07/#CVE-2023-25739
- https://security-tracker.debian.org/tracker/CVE-2023-25739
- https://ubuntu.com/security/notices/USN-5880-1
- https://ubuntu.com/security/notices/USN-5943-1
- https://ubuntu.com/security/notices/USN-6120-1
- https://www.cve.org/CVERecord?id=CVE-2023-25739
- https://nvd.nist.gov/vuln/detail/CVE-2023-25739
- https://ubuntu.com/security/CVE-2023-25739
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-25739.
Which software is affected by this vulnerability?
This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
What is the severity level of CVE-2023-25739?
The severity level of CVE-2023-25739 is High with a severity value of 8.8.
How does this vulnerability occur?
This vulnerability occurs due to module load requests that failed not being checked as to whether or not they were cancelled causing a use-after-free in ScriptLoadContext.
How can I fix CVE-2023-25739?
To fix CVE-2023-25739, update to the latest version of Firefox, Thunderbird, or Firefox ESR.
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