critical
9.8
CWE
787
Advisory Published
Updated

CVE-2017-5443

First published: Wed Apr 19 2017(Updated: )

An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives.

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=1342661

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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-2017-5443?

    CVE-2017-5443 has a high severity rating due to the potential for exploitation leading to out-of-bounds writes.

  • How do I fix CVE-2017-5443?

    To fix CVE-2017-5443, update your affected software to the latest versions provided by Mozilla or your OS vendor.

  • Which software is affected by CVE-2017-5443?

    CVE-2017-5443 affects Mozilla Thunderbird, Mozilla Firefox newer than version 52.1, and various versions of Firefox ESR.

  • What types of attacks can exploit CVE-2017-5443?

    CVE-2017-5443 can be exploited through specially crafted BinHex format archives that lead to memory corruption.

  • Is CVE-2017-5443 still a threat if I have updated my software?

    If you have updated your software to versions that are not vulnerable, the threat from CVE-2017-5443 should be mitigated.

Company

Resources

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