critical
9.8
CWE
190 908
Advisory Published
CVE Published
Updated

CVE-2018-5095: Integer Overflow

First published: Tue Jan 23 2018(Updated: )

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, 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=8.0
Debian Debian Linux=9.0
Redhat Enterprise Linux=6.0
Redhat 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<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 CVE-2018-5095?

    CVE-2018-5095 is an integer overflow vulnerability in the Skia library that can result in a potentially exploitable crash.

  • Which software versions are affected by CVE-2018-5095?

    The vulnerability affects Thunderbird versions <52.6 and Firefox ESR versions <52.6.

  • How severe is CVE-2018-5095?

    CVE-2018-5095 has a severity score of 9.8, which is considered critical.

  • What is the remedy for CVE-2018-5095 on Ubuntu?

    For Ubuntu, the remedy for CVE-2018-5095 is to upgrade Firefox to version 58.0 or higher or Thunderbird to version 52.6.0 or higher.

  • Where can I find more information about CVE-2018-5095?

    You can find more information about CVE-2018-5095 on the Mozilla Bugzilla website, the Mozilla security advisories page, and the SecurityFocus website.

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