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CVE-2016-5289

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory...

9.8 CriticalFix available

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.02%Up 1.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.

Record
CVE-2016-5289
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.

Record
CVE-2016-5289
Updated
2026-11-02
EUVDEUVD-2016-6240 No score

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.

Record
EUVD-2016-6240
Updated
2026-11-03
GitHub AdvisoriesGHSA-5gf8-6267-mq38 9.8

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory...

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.

Record
GHSA-5gf8-6267-mq38
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
OSVUBUNTU-CVE-2016-5289 9.8

Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.

Record
UBUNTU-CVE-2016-5289
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2017-0323 No score

Updated iceape packages fix security vulnerabilities

Updated Iceape packages include security fixes from upstream Seamonkey:

Multiple flaws were found in the way Iceape 2.46 processes various types of web content, where loading a web page containing malicious content could cause Iceape to crash, execute arbitrary code, or disclose sensitive information. (CVE-2016-5287, CVE-2016-5288, CVE-2016-5289, CVE-2016-5290, CVE-2016-5292, CVE-2016-5297, CVE-2016-9064, CVE-2016-9066, CVE-2016-9067, CVE-2016-9068, CVE-2016-9075, CVE-2016-9077, CVE-2016-5291, CVE-2016-9063, CVE-2016-9070, CVE-2016-9071, CVE-2016-9073, CVE-2016-9076, CVE-2016-9078, CVE-2016-9080, CVE-2016-9893, CVE-2016-9894, CVE-2016-9895, CVE-2016-9896, CVE-2016-9897, CVE-2016-9898, CVE-2016-9899, CVE-2016-9900, CVE-2016-9901, CVE-2016-9902, CVE-2016-9903, CVE-2016-9904, CVE-2017-5373, CVE-2017-5374, CVE-2017-5375, CVE-2017-5376, CVE-2017-5377, CVE-2017-5378, CVE-2017-5379, CVE-2017-5380, CVE-2017-5381, CVE-2017-5382, CVE-2017-5383, CVE-2017-5384, CVE-2017-5385, CVE-2017-5386, CVE-2017-5387, CVE-2017-5388, CVE-2017-5389, CVE-2017-5390, CVE-2017-5391, CVE-2017-5393, CVE-2017-5396)

Record
MGASA-2017-0323
Updated
2026-11-02
Show 4 moreShow less
OSVopenSUSE-SU-2024:10071-1 No score

MozillaFirefox-50.1.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10071-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:14572-1 No score

firefox-esr-128.5.1-1.1 on GA media

These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:14572-1
Updated
2026-11-02
OSVSUSE-SU-2019:2872-1 No score

Security update for MozillaFirefox

This update for MozillaFirefox to 68.2.0 ESR fixes the following issues:

Mozilla Firefox was updated to version 68.2.0 ESR (bsc#1154738).

Security issues fixed:

  • CVE-2019-15903: Fixed a heap overflow in the expat library (bsc#1149429).
  • CVE-2019-11757: Fixed a use-after-free when creating index updates in IndexedDB (bsc#1154738).
  • CVE-2019-11758: Fixed a potentially exploitable crash due to 360 Total Security (bsc#1154738).
  • CVE-2019-11759: Fixed a stack buffer overflow in HKDF output (bsc#1154738).
  • CVE-2019-11760: Fixed a stack buffer overflow in WebRTC networking (bsc#1154738).
  • CVE-2019-11761: Fixed an unintended access to a privileged JSONView object (bsc#1154738).
  • CVE-2019-11762: Fixed a same-origin-property violation (bsc#1154738).
  • CVE-2019-11763: Fixed an XSS bypass (bsc#1154738).
  • CVE-2019-11764: Fixed several memory safety bugs (bsc#1154738).

Non-security issues fixed:

  • Firefox 60.7 ESR changed the user interface language (bsc#1137990).
  • Wrong Firefox GUI Language (bsc#1120374).
  • Fixed an inadvertent crash report transmission without user opt-in (bsc#1074235).
  • Firefox hangs randomly when browsing and scrolling (bsc#1043008).
  • Firefox stops loading page until mouse is moved (bsc#1025108).
Record
SUSE-SU-2019:2872-1
Updated
2026-11-02
OSVUSN-3124-1 No score

firefox vulnerabilities

Christian Holler, Andrew McCreight, Dan Minor, Tyson Smith, Jon Coppeard, Jan-Ivar Bruaroey, Jesse Ruderman, Markus Stange, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5289, CVE-2016-5290)

A same-origin policy bypass was discovered with local HTML files in some circumstances. An attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5291)

A crash was discovered when parsing URLs in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to execute arbitrary code. (CVE-2016-5292)

A heap buffer-overflow was discovered in Cairo when processing SVG content. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5296)

An error was discovered in argument length checking in Javascript. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5297)

An integer overflow was discovered in the Expat library. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash. (CVE-2016-9063)

It was discovered that addon updates failed to verify that the addon ID inside the signed package matched the ID of the addon being updated. An attacker that could perform a machine-in-the-middle (MITM) attack could potentially exploit this to provide malicious addon updates. (CVE-2016-9064)

A buffer overflow was discovered in nsScriptLoadHandler. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-9066)

2 use-after-free bugs were discovered during DOM operations in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-9067, CVE-2016-9069)

A heap use-after-free was discovered during web animations in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-9068)

It was discovered that a page loaded in to the sidebar through a bookmark could reference a privileged chrome window. An attacker could potentially exploit this to bypass same origin restrictions. (CVE-2016-9070)

An issue was discovered with Content Security Policy (CSP) in combination with HTTP to HTTPS redirection. An attacker could potentially exploit this to verify whether a site is within the user's browsing history. (CVE-2016-9071)

An issue was discovered with the windows.create() WebExtensions API. If a user were tricked in to installing a malicious extension, an attacker could potentially exploit this to escape the WebExtensions sandbox. (CVE-2016-9073)

It was discovered that WebExtensions can use the mozAddonManager API. An attacker could potentially exploit this to install additional extensions without user permission. (CVE-2016-9075)

It was discovered that <select> element dropdown menus can cover location bar content when e10s is enabled. An attacker could potentially exploit this to conduct UI spoofing attacks. (CVE-2016-9076)

It was discovered that canvas allows the use of the feDisplacementMap filter on cross-origin images. An attacker could potentially…

Record
USN-3124-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
iceape
Mageia:5
before 2.48-1.mga5
2.48-1.mga5
iceape
Mageia:6
before 2.48-1.mga6
2.48-1.mga6
MozillaFirefox
SUSE:HPE Helion OpenStack 8
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:OpenStack Cloud 7
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:OpenStack Cloud 8
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:OpenStack Cloud Crowbar 8
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Desktop 12 SP4
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
before 68.2.0-109.95.2
68.2.0-109.95.2
Show 16 moreShow less
Affected packages
PackageAffectedFixed
MozillaFirefox
SUSE:Linux Enterprise Software Development Kit 12 SP4
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Software Development Kit 12 SP5
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP1-LTSS
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP2-LTSS
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP2-BCL
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP3-LTSS
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP3-BCL
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP4
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP5
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
before 68.2.0-109.95.2
68.2.0-109.95.2
MozillaFirefox
SUSE:Enterprise Storage 5
before 68.2.0-109.95.2
68.2.0-109.95.2
firefox
Ubuntu:14.04:LTS
before 50.0+build2-0ubuntu0.14.04.2, plus listed versions
24.0+build1-0ubuntu125.0+build3-0ubuntu0.13.10.128.0~b2+build1-0ubuntu228.0+build1-0ubuntu128.0+build2-0ubuntu1
Show 40 moreShow less
28.0+build2-0ubuntu229.0+build1-0ubuntu0.14.04.230.0+build1-0ubuntu0.14.04.331.0+build1-0ubuntu0.14.04.132.0+build1-0ubuntu0.14.04.132.0.3+build1-0ubuntu0.14.04.133.0+build2-0ubuntu0.14.04.134.0+build2-0ubuntu0.14.04.135.0+build3-0ubuntu0.14.04.235.0.1+build1-0ubuntu0.14.04.136.0+build2-0ubuntu0.14.04.436.0.1+build2-0ubuntu0.14.04.136.0.4+build1-0ubuntu0.14.04.137.0+build2-0ubuntu0.14.04.137.0.1+build1-0ubuntu0.14.04.137.0.2+build1-0ubuntu0.14.04.138.0+build3-0ubuntu0.14.04.139.0+build5-0ubuntu0.14.04.139.0.3+build2-0ubuntu0.14.04.140.0+build4-0ubuntu0.14.04.140.0+build4-0ubuntu0.14.04.440.0.3+build1-0ubuntu0.14.04.141.0+build3-0ubuntu0.14.04.141.0.1+build2-0ubuntu0.14.04.141.0.2+build2-0ubuntu0.14.04.142.0+build2-0ubuntu0.14.04.143.0+build1-0ubuntu0.14.04.143.0.4+build3-0ubuntu0.14.04.144.0+build3-0ubuntu0.14.04.144.0.1+build2-0ubuntu0.14.04.144.0.2+build1-0ubuntu0.14.04.145.0+build2-0ubuntu0.14.04.145.0.1+build1-0ubuntu0.14.04.245.0.2+build1-0ubuntu0.14.04.146.0+build5-0ubuntu0.14.04.246.0.1+build1-0ubuntu0.14.04.347.0+build3-0ubuntu0.14.04.148.0+build2-0ubuntu0.14.04.149.0+build4-0ubuntu0.14.04.149.0.2+build2-0ubuntu0.14.04.1
50.0+build2-0ubuntu0.14.04.2
firefox
Ubuntu:16.04:LTS
before 50.0+build2-0ubuntu0.16.04.2, plus listed versions
41.0.2+build2-0ubuntu142.0+build2-0ubuntu144.0+build3-0ubuntu244.0.1+build1-0ubuntu144.0.2+build1-0ubuntu1
Show 9 moreShow less
45.0+build2-0ubuntu145.0.1+build1-0ubuntu145.0.2+build1-0ubuntu146.0+build5-0ubuntu0.16.04.246.0.1+build1-0ubuntu0.16.04.247.0+build3-0ubuntu0.16.04.148.0+build2-0ubuntu0.16.04.149.0+build4-0ubuntu0.16.04.149.0.2+build2-0ubuntu0.16.04.2
50.0+build2-0ubuntu0.16.04.2
MozillaFirefox
openSUSE:Tumbleweed
before 50.1.0-1.1
50.1.0-1.1
firefox-esr
openSUSE:Tumbleweed
before 128.5.1-1.1
128.5.1-1.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-5289 is a critical vulnerability (CVSS 9.8) in Mozilla Firefox, published November 17, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.02%, the 80th percentile. Fixed in iceape 2.48-1.mga5.

References

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Left out here: 1,914 references and the rest of 1 source description. The JSON record has them.

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