critical
9.8
CWE
125
Advisory Published
Updated

CVE-2017-5446

First published: Wed Apr 19 2017(Updated: )

An out-of-bounds read when an HTTP/2 connection to a servers sends "DATA" frames with incorrect data content. This leads to a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

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

Affected SoftwareAffected VersionHow to fix
Mozilla Thunderbird<52.1
52.1
Mozilla Firefox ESR<52.1
52.1
Mozilla Firefox ESR<45.9
45.9
Mozilla Firefox<53
53
Debian GNU/Linux=9.0
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
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=7.3
redhat enterprise Linux server aus=7.4
redhat enterprise Linux server eus=7.3
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<53.0
Mozilla Firefox=52.0
Mozilla Firefox ESR<45.9.0
Mozilla Thunderbird<52.1.0
Mozilla Firefox ESR=52.0
debian/firefox
135.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.7.0esr-1~deb11u1
128.5.0esr-1~deb12u1
128.7.0esr-1~deb12u1
128.7.0esr-1

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=1343505

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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-2017-5446?

    CVE-2017-5446 is classified as a potentially exploitable crash vulnerability.

  • How do I fix CVE-2017-5446?

    To fix CVE-2017-5446, update Thunderbird to version 52.1 or newer and Firefox to versions 53 or newer.

  • Which products are affected by CVE-2017-5446?

    CVE-2017-5446 affects Mozilla Thunderbird versions prior to 52.1, Firefox ESR versions prior to 45.9 and 52.1, and Firefox versions prior to 53.

  • Is CVE-2017-5446 present in Debian Linux?

    Yes, CVE-2017-5446 can affect Debian Linux systems running impacted versions of Firefox and Thunderbird.

  • Will CVE-2017-5446 affect my browsing experience?

    Yes, CVE-2017-5446 may lead to crashes while using affected browsers, potentially interrupting your browsing experience.

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