CVE-2017-7828

high-risk
Published 2018-06-11

A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

Do I need to act?

!
28.9% chance of exploitation in next 30 days
EPSS score — higher than 71% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (14)

Affected Vendors

Debian Redhat Mozilla

References (28)

Third Party Advisory http://www.securityfocus.com/bid/101832
Third Party Advisory http://www.securitytracker.com/id/1039803
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3247
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3372
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1406750
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1412252
Third Party Advisory https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html
Third Party Advisory https://www.debian.org/security/2017/dsa-4035
Third Party Advisory https://www.debian.org/security/2017/dsa-4061
Third Party Advisory https://www.debian.org/security/2017/dsa-4075
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-24/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-25/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-26/
Third Party Advisory http://www.securityfocus.com/bid/101832
Third Party Advisory http://www.securitytracker.com/id/1039803
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3247
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3372
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1406750
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1412252
and 8 more references
65
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 15/34 · Moderate
Exposure 18/34 · Moderate