CVE-2016-2830

NameCVE-2016-2830
DescriptionMozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers to track users by observing network traffic from multiple IP addresses.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-585-1, DSA-3640-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid57.0-1fixed
firefox-esr (PTS)wheezy (security)52.5.0esr-1~deb7u1fixed
jessie45.9.0esr-1~deb8u1fixed
jessie (security)52.5.0esr-1~deb8u1fixed
stretch52.4.0esr-1~deb9u1fixed
stretch (security)52.5.0esr-1~deb9u1fixed
buster, sid52.5.0esr-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)48.0-1medium
firefox-esrsource(unstable)45.3.0esr-1medium
firefox-esrsourcejessie45.3.0esr-1~deb8u1mediumDSA-3640-1
firefox-esrsourcewheezy45.3.0esr-1~deb7u1mediumDLA-585-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2016-63/
https://bugzilla.redhat.com/show_bug.cgi?id=1342897

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