Exploited
medium
6.5
CWE
119 190 787
Advisory Published
Advisory Published
CVE Published
Updated

CVE-2020-15999: Google Chrome Heap Buffer Overflow Vulnerability

First published: Mon Oct 19 2020(Updated: )

### Impact A memory corruption bug(Heap overflow) in the FreeType font rendering library. > This can be exploited by attackers to execute arbitrary code by using specially crafted fonts with embedded PNG images . As per https://www.secpod.com/blog/chrome-zero-day-under-active-exploitation-patch-now/ Google is aware of reports that an exploit for CVE-2020-15999 exists in the wild. ### Patches Upgrade to 85.3.130 or higher ### References - https://www.secpod.com/blog/chrome-zero-day-under-active-exploitation-patch-now/ - https://www.zdnet.com/article/google-releases-chrome-security-update-to-patch-actively-exploited-zero-day/ - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15999 - https://magpcss.org/ceforum/viewtopic.php?f=10&t=17942 To review the `CEF/Chromium` patch see https://bitbucket.org/chromiumembedded/cef/commits/cd6cbe008b127990036945fb75e7c2c1594ab10d

Credit: chrome-cve-admin@google.com Sergei Glazunov Google Project Zero chrome-cve-admin@google.com chrome-cve-admin@google.com

Affected SoftwareAffected VersionHow to fix
debian/chromium
90.0.4430.212-1~deb10u1
debian/freetype
2.9.1-3+deb10u3
2.9.1-3+deb10u2
2.10.4+dfsg-1+deb11u1
2.12.1+dfsg-5
2.13.2+dfsg-1
Mozilla Firefox ESR<78.5
78.5
Google Chrome<86.0.4240.111
Freetype Freetype>=2.6.0<2.10.4
Debian Debian Linux=10.0
Fedoraproject Fedora=31
openSUSE Backports SLE=15.0-sp2
Mozilla Thunderbird<78.5
78.5
Google Chrome<86.0.4240.111
86.0.4240.111
Mozilla Firefox<83
83
Google Chrome FreeType
nuget/CefSharp.Wpf.HwndHost<85.3.130
85.3.130
nuget/CefSharp.WinForms<85.3.130
85.3.130
nuget/CefSharp.Wpf<85.3.130
85.3.130
nuget/CefSharp.Common<85.3.130
85.3.130

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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-2020-15999?

    CVE-2020-15999 is a Heap Buffer Overflow Vulnerability in Google Chrome caused by an integer overflow in the Load_SBit_Png function in Freetype.

  • How severe is CVE-2020-15999?

    CVE-2020-15999 has a severity rating of 6.5 out of 10.

  • Which software is affected by CVE-2020-15999?

    Google Chrome, Mozilla Thunderbird, Mozilla Firefox, Mozilla Firefox ESR, and Google Android are affected by CVE-2020-15999.

  • How can CVE-2020-15999 be fixed?

    To fix CVE-2020-15999, update to the latest version of Google Chrome, Mozilla Thunderbird, Mozilla Firefox, Mozilla Firefox ESR, or Google Android.

  • Where can I find more information about CVE-2020-15999?

    You can find more information about CVE-2020-15999 at the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1672223), [Mozilla Security Advisory](https://www.mozilla.org/en-US/security/advisories/mfsa2020-51/), [Android Source](https://android.googlesource.com/platform/external/freetype/+/358c238408a1fdc357d9afef6811369a7701e004).

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