CVE-2018-18492: Use After Free
First published: Tue Dec 11 2018(Updated: )
A use-after-free vulnerability can occur after deleting a selection element due to a weak reference to the `select` element in the `options` collection. This results in a potentially exploitable crash. External Reference: <a href="https://www.mozilla.org/en-US/security/advisories/mfsa2018-30/#CVE-2018-18492">https://www.mozilla.org/en-US/security/advisories/mfsa2018-30/#CVE-2018-18492</a>
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Thunderbird | <60.4 | 60.4 |
| Firefox | <64 | 64 |
| Firefox ESR | <60.4 | 60.4 |
| Firefox | <64.0 | |
| Firefox ESR | <60.4.0 | |
| Thunderbird | <60.4.0 | |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =18.10 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 | |
| debian/firefox | 137.0.1-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.9.0esr-1~deb11u1 128.8.0esr-1~deb12u1 128.9.0esr-1~deb12u1 128.9.0esr-2 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.9.0esr-1~deb11u1 1:128.8.0esr-1~deb12u1 1:128.9.0esr-1~deb12u1 1:128.9.0esr-1 |
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Reference Links
- http://www.securityfocus.com/bid/106168
- https://bugzilla.mozilla.org/show_bug.cgi?id=1499861
- https://www.mozilla.org/security/advisories/mfsa2018-29/
- https://www.mozilla.org/security/advisories/mfsa2018-30/
- https://www.mozilla.org/security/advisories/mfsa2018-31/
- https://www.debian.org/security/2018/dsa-4354
- https://www.debian.org/security/2019/dsa-4362
- https://security.gentoo.org/glsa/201903-04
- https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html
- https://access.redhat.com/errata/RHSA-2018:3831
- https://access.redhat.com/errata/RHSA-2018:3833
- https://access.redhat.com/errata/RHSA-2019:0159
- https://access.redhat.com/errata/RHSA-2019:0160
- https://usn.ubuntu.com/3844-1/
- https://usn.ubuntu.com/3868-1/
- https://launchpad.net/bugs/cve/CVE-2018-18492
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-30/#CVE-2018-18492
- https://bugzilla.redhat.com/show_bug.cgi?id=1658399
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-31/
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-30/
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-12407
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-18492
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-31/#CVE-2018-18492
- https://security-tracker.debian.org/tracker/CVE-2018-18492
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18492
- https://nvd.nist.gov/vuln/detail/CVE-2018-18492
- https://ubuntu.com/security/CVE-2018-18492
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2018-18492?
CVE-2018-18492 is a use-after-free vulnerability that can occur after deleting a selection element in Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
How severe is CVE-2018-18492?
CVE-2018-18492 has a severity rating of 9.8 out of 10.
Which software versions are affected by CVE-2018-18492?
Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64 are affected by CVE-2018-18492.
What is the remedy for CVE-2018-18492?
The remedy for CVE-2018-18492 is to update Thunderbird to version 60.4 or later, Firefox ESR to version 60.4 or later, and Firefox to version 64 or later.
Where can I find more information about CVE-2018-18492?
You can find more information about CVE-2018-18492 in the following references: [1] [2] [3].
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
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