CVE-2016-1963

Severity: high (CVSS 7.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-03-13 · updated 2026-06-17
Weakness: CWE-119

Description

The FileReader class in Mozilla Firefox before 45.0 allows local users to gain privileges or cause a denial of service (memory corruption) by changing a file during a FileReader API read operation.

Affected products

Mozilla Firefox: through 44.0.2

References

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
http://www.mozilla.org/security/announce/2016/mfsa2016-26.html
http://www.securitytracker.com/id/1035215
http://www.ubuntu.com/usn/USN-2917-1
http://www.ubuntu.com/usn/USN-2917-2
http://www.ubuntu.com/usn/USN-2917-3
https://bugzilla.mozilla.org/show_bug.cgi?id=1238440
https://security.gentoo.org/glsa/201605-06
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
http://www.mozilla.org/security/announce/2016/mfsa2016-26.html

Get alerted when CVE-2016-1963 or the next vulnerability affects your stack