CVE-2019-11746: Use After Free
First published: Tue Sep 03 2019(Updated: )
A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. This results in a potentially exploitable crash.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <68.1 | 68.1 |
| Mozilla Firefox ESR | <68.1 | 68.1 |
| Mozilla Firefox | <69.0 | |
| Mozilla Firefox ESR | <60.9.0 | |
| Mozilla Firefox ESR | >=68.0<68.1.0 | |
| Mozilla Thunderbird | <60.9.0 | |
| Mozilla Thunderbird | >=68.0<68.1.0 | |
| Mozilla Thunderbird | <60.9 | 60.9 |
| Mozilla Firefox | <69 | 69 |
| Mozilla Firefox ESR | <60.9 | 60.9 |
| 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 1:128.4.0esr-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=1564449
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-30/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
- https://security.gentoo.org/glsa/201911-07
- https://usn.ubuntu.com/4150-1/
- https://www.mozilla.org/security/advisories/mfsa2019-25/
- https://www.mozilla.org/security/advisories/mfsa2019-26/
- https://www.mozilla.org/security/advisories/mfsa2019-27/
- https://www.mozilla.org/security/advisories/mfsa2019-29/
- https://www.mozilla.org/security/advisories/mfsa2019-30/
- https://launchpad.net/bugs/cve/CVE-2019-11746
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-29/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/#CVE-2019-11750
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-27/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/#CVE-2019-11746
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/#CVE-2019-11746
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-27/#CVE-2019-11746
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-29/#CVE-2019-11746
- https://security-tracker.debian.org/tracker/CVE-2019-11746
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11746
- https://nvd.nist.gov/vuln/detail/CVE-2019-11746
- https://ubuntu.com/security/CVE-2019-11746
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2019-11739
- CVE-2019-11746
- CVE-2019-11744
- CVE-2019-11742
- CVE-2019-11752
- CVE-2019-11743
- CVE-2019-11740
- CVE-2019-11751
- CVE-2019-11736
- CVE-2019-11753
- CVE-2019-9812
- CVE-2019-11748
- CVE-2019-11749
- CVE-2019-11750
- CVE-2019-11738
- CVE-2019-11747
- CVE-2019-11735
- CVE-2019-11741
- CVE-2019-5849
- CVE-2019-11737
- CVE-2019-11734
- CVE-2019-11758
Frequently Asked Questions
What is CVE-2019-11746?
CVE-2019-11746 is a use-after-free vulnerability that can occur while manipulating video elements in certain versions of Mozilla Firefox and Thunderbird.
How does CVE-2019-11746 affect Mozilla Firefox and Thunderbird?
CVE-2019-11746 affects certain versions of Mozilla Firefox ESR, Firefox, and Thunderbird.
How severe is CVE-2019-11746?
CVE-2019-11746 has a severity rating of 7 (high).
What is the potential impact of CVE-2019-11746?
CVE-2019-11746 can potentially lead to a crash, which may be exploitable.
How can I fix CVE-2019-11746?
To fix CVE-2019-11746, update your Mozilla Firefox or Thunderbird to the version mentioned in the advisory.
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- canonical/mozilla firefox
- version/mozilla firefox esr/68.0
- version/mozilla thunderbird/68.0
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