CVE-2017-5402

NameCVE-2017-5402
DescriptionA use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-852-1, DLA-896-1, DSA-3805-1, DSA-3832-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid62.0.2-1fixed
firefox-esr (PTS)jessie52.8.1esr-1~deb8u1fixed
jessie (security)52.9.0esr-1~deb8u1fixed
stretch52.9.0esr-1~deb9u1fixed
stretch (security)60.2.1esr-1~deb9u1fixed
buster52.9.0esr-1fixed
sid60.2.1esr-1fixed
icedove (PTS)jessie1:52.3.0-4~deb8u2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)52.0-1high
firefox-esrsource(unstable)45.8.0esr-1high
firefox-esrsourcejessie45.8.0esr-1~deb8u1highDSA-3805-1
firefox-esrsourcewheezy45.8.0esr-1~deb7u1highDLA-852-1
icedovesource(unstable)1:45.8.0-1high
icedovesourcejessie1:45.8.0-3~deb8u1highDSA-3832-1
icedovesourcewheezy1:45.8.0-3~deb7u1highDLA-896-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2017-05/#CVE-2017-5402
https://www.mozilla.org/en-US/security/advisories/mfsa2017-06/#CVE-2017-5402
https://www.mozilla.org/en-US/security/advisories/mfsa2017-07/#CVE-2017-5402

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