CVE-2019-9795
First published: Tue Mar 19 2019(Updated: )
A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash.
Credit: security@mozilla.org security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <60.6 | 60.6 |
| Mozilla Firefox ESR | <60.6 | 60.6 |
| Mozilla Firefox | <66 | 66 |
| Mozilla Firefox | <66.0 | |
| Mozilla Firefox ESR | <60.6 | |
| Mozilla Thunderbird | <60.6 | |
| debian/firefox | 133.0.3-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.5.0esr-1~deb11u1 128.3.1esr-1~deb12u1 128.5.0esr-1~deb12u1 128.5.0esr-1 128.5.1esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.5.0esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.5.0esr-1~deb12u1 1:128.5.2esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1514682
- https://www.mozilla.org/security/advisories/mfsa2019-07/
- https://www.mozilla.org/security/advisories/mfsa2019-08/
- https://www.mozilla.org/security/advisories/mfsa2019-11/
- https://access.redhat.com/errata/RHSA-2019:0966
- https://access.redhat.com/errata/RHSA-2019:1144
- https://launchpad.net/bugs/cve/CVE-2019-9795
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-08/#CVE-2019-9795
- https://access.redhat.com/errata/RHSA-2019:0622
- https://access.redhat.com/errata/RHSA-2019:0623
- https://access.redhat.com/errata/RHSA-2019:0680
- https://access.redhat.com/errata/RHSA-2019:0681
- https://bugzilla.redhat.com/show_bug.cgi?id=1690680
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-11/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-08/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/#CVE-2019-9788
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/#CVE-2019-9795
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-11/#CVE-2019-9795
- https://security-tracker.debian.org/tracker/CVE-2019-9795
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9795
- https://nvd.nist.gov/vuln/detail/CVE-2019-9795
- https://ubuntu.com/security/CVE-2019-9795
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2019-9795?
CVE-2019-9795 is a vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash in Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
What is the severity of CVE-2019-9795?
CVE-2019-9795 has a severity rating of critical with a value of 9.8.
Which software versions are affected by CVE-2019-9795?
CVE-2019-9795 affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
How can CVE-2019-9795 be exploited?
CVE-2019-9795 can be potentially exploited by malicious JavaScript to trigger a crash.
Where can I find more information about CVE-2019-9795?
More information about CVE-2019-9795 can be found at the following references: [Link 1](https://bugzilla.mozilla.org/show_bug.cgi?id=1514682), [Link 2](https://www.mozilla.org/en-US/security/advisories/mfsa2019-07/), [Link 3](https://www.mozilla.org/security/advisories/mfsa2019-07/)
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