CVE-2016-2811

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-30 · updated 2026-06-17

Description

Use-after-free vulnerability in the ServiceWorkerInfo class in the Service Worker subsystem in Mozilla Firefox before 46.0 allows remote attackers to execute arbitrary code via vectors related to the BeginReading method.

Affected products

Mozilla Firefox: through 45.0.2

References

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
http://www.mozilla.org/security/announce/2016/mfsa2016-42.html
http://www.securitytracker.com/id/1035692
http://www.ubuntu.com/usn/USN-2936-1
http://www.ubuntu.com/usn/USN-2936-2
http://www.ubuntu.com/usn/USN-2936-3
https://bugzilla.mozilla.org/show_bug.cgi?id=1252330
https://security.gentoo.org/glsa/201701-15
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
http://www.mozilla.org/security/announce/2016/mfsa2016-42.html

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