critical
9.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2017-7750: Use After Free

First published: Tue Jun 13 2017(Updated: )

A use-after-free vulnerability during video control operations when a "<track>" element holds a reference to an older window if that window has been replaced in the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
debian/firefox
118.0.2-1
debian/firefox-esr
91.12.0esr-1~deb10u1
115.3.1esr-1~deb10u1
102.15.0esr-1~deb11u1
115.3.1esr-1~deb11u1
102.15.1esr-1~deb12u1
115.3.0esr-1~deb12u1
115.3.0esr-1
Thunderbird<52.2
52.2
Debian=8.0
Debian=9.0
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
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=7.3
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.3
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.5
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Workstation=7.0
Firefox<54.0
Firefox ESR<52.2.0
Thunderbird<52.2.0
Firefox<54
54
Firefox ESR<52.2
52.2

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=1356558

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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 severity of CVE-2017-7750?

    CVE-2017-7750 is classified as a high severity vulnerability due to its potential to cause crashes and security breaches.

  • How do I fix CVE-2017-7750?

    To fix CVE-2017-7750, update Firefox to version 54 or later, Firefox ESR to version 52.2 or later, or Thunderbird to version 52.2 or later.

  • Which software is affected by CVE-2017-7750?

    CVE-2017-7750 affects Firefox versions less than 54, Firefox ESR versions less than 52.2, and Thunderbird versions less than 52.2.

  • What type of vulnerability is CVE-2017-7750?

    CVE-2017-7750 is a use-after-free vulnerability that occurs during video control operations.

  • Can CVE-2017-7750 be exploited remotely?

    Yes, CVE-2017-7750 can be potentially exploited to cause crashes, which may lead to remote code execution.

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