CVE-2017-7819: Use After Free
First published: Thu Sep 28 2017(Updated: )
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <52.4 | 52.4 |
| Mozilla Thunderbird | <52.4 | 52.4 |
| Mozilla Firefox | <56 | 56 |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server Aus | =7.4 | |
| Redhat Enterprise Linux Server Eus | =7.5 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| Debian Debian Linux | =7.0 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Mozilla Firefox | <56.0 | |
| Mozilla Firefox ESR | <52.4.0 | |
| Mozilla Thunderbird | <52.4.0 | |
| debian/firefox | 131.0.2-2 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.3.1esr-1~deb11u1 115.14.0esr-1~deb12u1 128.3.1esr-1~deb12u1 128.3.0esr-2 128.3.1esr-2 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:115.16.0esr-1~deb11u1 1:115.12.0-1~deb12u1 1:115.16.0esr-1~deb12u1 1:128.2.0esr-1 1:128.3.0esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1380292
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-22/
- https://www.mozilla.org/security/advisories/mfsa2017-21/
- https://www.mozilla.org/security/advisories/mfsa2017-22/
- https://www.mozilla.org/security/advisories/mfsa2017-23/
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
- https://www.debian.org/security/2017/dsa-3987
- https://www.debian.org/security/2017/dsa-4014
- https://security.gentoo.org/glsa/201803-14
- https://access.redhat.com/errata/RHSA-2017:2831
- https://access.redhat.com/errata/RHSA-2017:2885
- http://www.securityfocus.com/bid/101055
- http://www.securitytracker.com/id/1039465
- https://launchpad.net/bugs/cve/CVE-2017-7819
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-22/#CVE-2017-7819
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/
- https://bugzilla.redhat.com/show_bug.cgi?id=1496654
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-22/#CVE-2017-7805
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-23/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/#CVE-2017-7822
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/#CVE-2017-7819
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-23/#CVE-2017-7819
- https://security-tracker.debian.org/tracker/CVE-2017-7819
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7819
- https://nvd.nist.gov/vuln/detail/CVE-2017-7819
- https://ubuntu.com/security/CVE-2017-7819
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2017-7819?
The severity of CVE-2017-7819 is critical with a CVSS v3.0 score of 9.8.
Which software is affected by CVE-2017-7819?
CVE-2017-7819 affects Firefox versions before 56, Firefox ESR versions before 52.4, and Thunderbird versions before 52.4.
How can I fix the vulnerability in Firefox?
To fix the vulnerability in Firefox, update to version 56 or later.
How can I fix the vulnerability in Firefox ESR?
To fix the vulnerability in Firefox ESR, update to version 52.4 or later.
How can I fix the vulnerability in Thunderbird?
To fix the vulnerability in Thunderbird, update to version 52.4 or later.
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