medium
4.3
CWE
310
Advisory Published
Updated

CVE-2015-2721

First published: Mon Jul 06 2015(Updated: )

Last updated 24 July 2024

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

Affected SoftwareAffected VersionHow to fix
Novell Suse Linux Enterprise Software Development Kit=12.0
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=14.10
Canonical Ubuntu Linux=15.04
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Novell Suse Linux Enterprise Desktop=12.0
Novell Suse Linux Enterprise Server=11-sp4
Novell Suse Linux Enterprise Server=12.0
Mozilla Network Security Services=3.19
Mozilla Firefox<=38.1.0
Mozilla Firefox ESR=31.0
Mozilla Firefox ESR=31.1
Mozilla Firefox ESR=31.1.0
Mozilla Firefox ESR=31.1.1
Mozilla Firefox ESR=31.2
Mozilla Firefox ESR=31.3
Mozilla Firefox ESR=31.3.0
Mozilla Firefox ESR=31.4
Mozilla Firefox ESR=31.5
Mozilla Firefox ESR=31.5.1
Mozilla Firefox ESR=31.5.2
Mozilla Firefox ESR=31.5.3
Mozilla Firefox ESR=31.6.0
Mozilla Firefox ESR=31.7.0
Mozilla Firefox ESR=38.0
Mozilla Thunderbird<=38.0.1
Oracle Solaris=11.3
Oracle VM Server=3.2
All of
Mozilla Network Security Services=3.19
Any of
Mozilla Firefox<=38.1.0
Mozilla Firefox=31.0
Mozilla Firefox=31.1.0
Mozilla Firefox=31.1.1
Mozilla Firefox=31.3.0
Mozilla Firefox=31.5.1
Mozilla Firefox=31.5.2
Mozilla Firefox=31.5.3
Mozilla Firefox=38.0
Mozilla Firefox ESR=31.1
Mozilla Firefox ESR=31.2
Mozilla Firefox ESR=31.3
Mozilla Firefox ESR=31.4
Mozilla Firefox ESR=31.5
Mozilla Firefox ESR=31.6.0
Mozilla Firefox ESR=31.7.0
Mozilla Thunderbird<=38.0.1
debian/nss
2:3.61-1+deb11u3
2:3.61-1+deb11u4
2:3.87.1-1
2:3.87.1-1+deb12u1
2:3.105-2
2:3.106-1

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Reference Links

Frequently Asked Questions

  • What is CVE-2015-2721?

    CVE-2015-2721 is a vulnerability in Mozilla Network Security Services (NSS) that allows man-in-the-middle attacks.

  • Which products are affected by CVE-2015-2721?

    Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products are affected by CVE-2015-2721.

  • What is the severity of CVE-2015-2721?

    The severity of CVE-2015-2721 is medium, with a severity value of 4.3.

  • How do I fix CVE-2015-2721 in Debian-based systems?

    To fix CVE-2015-2721 in Debian-based systems, update the nss package to version 2:3.42.1-1+deb10u5, 2:3.42.1-1+deb10u6, 2:3.61-1+deb11u3, 2:3.87.1-1, or 2:3.93-1, depending on your specific release.

  • How do I fix CVE-2015-2721 in Ubuntu-based systems?

    To fix CVE-2015-2721 in Ubuntu-based systems, update the nss package to version 2:3.19.2-0ubuntu15.04.1 (for Ubuntu 15.04), 2:3.19.1-1 (for Ubuntu 15.04), 2:3.19.2-0ubuntu0.14.04.1 (for Ubuntu 14.04), or 2:3.19.2-0ubuntu0.14.10.1 (for Ubuntu 14.10), depending on your specific release.

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