CVE-2017-5402

Summary

A 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.

Affected Software

Weaknesses

• Use-after-free working with events in FontFace objects

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1334876
• http://rhn.redhat.com/errata/RHSA-2017-0459.html
• https://www.mozilla.org/security/advisories/mfsa2017-09/
• https://www.debian.org/security/2017/dsa-3832
• https://www.mozilla.org/security/advisories/mfsa2017-07/
• https://www.mozilla.org/security/advisories/mfsa2017-05/
• http://www.securitytracker.com/id/1037966
• http://www.securityfocus.com/bid/96664
• https://security.gentoo.org/glsa/201705-06
• http://rhn.redhat.com/errata/RHSA-2017-0461.html
• https://www.debian.org/security/2017/dsa-3805
• https://www.mozilla.org/security/advisories/mfsa2017-06/
• http://rhn.redhat.com/errata/RHSA-2017-0498.html
• https://security.gentoo.org/glsa/201705-07

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1334876
• http://rhn.redhat.com/errata/RHSA-2017-0459.html
• https://www.mozilla.org/security/advisories/mfsa2017-09/
• https://www.debian.org/security/2017/dsa-3832
• https://www.mozilla.org/security/advisories/mfsa2017-07/
• https://www.mozilla.org/security/advisories/mfsa2017-05/
• http://www.securitytracker.com/id/1037966
• http://www.securityfocus.com/bid/96664
• https://security.gentoo.org/glsa/201705-06
• http://rhn.redhat.com/errata/RHSA-2017-0461.html
• https://www.debian.org/security/2017/dsa-3805
• https://www.mozilla.org/security/advisories/mfsa2017-06/
• http://rhn.redhat.com/errata/RHSA-2017-0498.html
• https://security.gentoo.org/glsa/201705-07

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