high
8.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-12359: Buffer Overflow

First published: Tue Jun 26 2018(Updated: )

A buffer overflow can occur when rendering canvas content while adjusting the height and width of the `&lt;canvas&gt;` element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. External Reference: <a href="https://www.mozilla.org/en-US/security/advisories/mfsa2018-16/#CVE-2018-12359">https://www.mozilla.org/en-US/security/advisories/mfsa2018-16/#CVE-2018-12359</a>

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
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=7.6
Red Hat Enterprise Linux Server=7.5
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Workstation=7.0
Debian=8.0
Debian=9.0
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=17.10
Ubuntu=18.04
Firefox<61.0
Firefox ESR<52.9
Firefox ESR>=53.0<60.1
Thunderbird<52.9
Thunderbird=52.9.1
Thunderbird<60
60
Thunderbird<52.9
52.9
Firefox<61
61
Firefox ESR<52.9
52.9
Firefox ESR<60.1
60.1
debian/firefox
135.0.1-1
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
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.7.0esr-1~deb11u1
1:128.5.0esr-1~deb12u1
1:128.7.0esr-1~deb12u1
1:128.7.0esr-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 the severity of CVE-2018-12359?

    CVE-2018-12359 is rated as a moderate severity vulnerability.

  • How do I fix CVE-2018-12359?

    To remediate CVE-2018-12359, update to the latest versions of affected software such as Mozilla Thunderbird 60.1 or newer, and Firefox ESR 60.1 or newer.

  • What damage can CVE-2018-12359 cause?

    CVE-2018-12359 can lead to a potentially exploitable crash through a buffer overflow when dynamically resizing a canvas element.

  • Which software versions are affected by CVE-2018-12359?

    CVE-2018-12359 affects Mozilla Thunderbird versions prior to 60, Firefox ESR versions prior to 60.1, and Firefox versions prior to 61.

  • Is there a known exploit for CVE-2018-12359?

    While no specific exploit has been widely reported, CVE-2018-12359 presents vulnerabilities that could potentially be exploited.

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