critical
9.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2018-5102: Use After Free

First published: Tue Jan 23 2018(Updated: )

A use-after-free vulnerability can occur when manipulating HTML media elements with media streams, resulting in a potentially exploitable crash.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<52.6
52.6
Mozilla Thunderbird<52.6
52.6
Mozilla Firefox<58
58
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
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=7.4
Redhat Enterprise Linux Server Eus=7.5
Redhat Enterprise Linux Workstation=6.0
Redhat Enterprise Linux Workstation=7.0
Mozilla Firefox<58.0
Mozilla Firefox ESR<52.6.0
Mozilla Thunderbird<52.6.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
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

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID is CVE-2018-5102.

  • Which software versions are affected by this vulnerability?

    This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

  • What is the severity rating of CVE-2018-5102?

    The severity rating of CVE-2018-5102 is critical with a score of 9.8.

  • Is there a fix available for this vulnerability?

    Yes, the vulnerability can be fixed by updating to Firefox version 58.0 or higher, Thunderbird version 52.6.0 or higher, or the latest version of Ubuntu's firefox package.

  • Where can I find more information about CVE-2018-5102?

    You can find more information about CVE-2018-5102 in the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1419363), [Mozilla Security Advisory](https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/), [Mozilla Security Advisories](https://www.mozilla.org/security/advisories/mfsa2018-02/)

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