CVE-2017-7828

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.

• CWE-416

• http://www.securityfocus.com/bid/101832Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039803Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:3247Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:3372Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1406750Issue Tracking, Permissions Required, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1412252Issue Tracking, Permissions Required, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2017/11/msg00018.htmlThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2017/12/msg00001.htmlThird Party Advisory
• https://www.debian.org/security/2017/dsa-4035Third Party Advisory
• https://www.debian.org/security/2017/dsa-4061Third Party Advisory
• https://www.debian.org/security/2017/dsa-4075Third Party 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/Vendor Advisory
• http://www.securityfocus.com/bid/101832Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039803Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:3247Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:3372Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1406750Issue Tracking, Permissions Required, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1412252Issue Tracking, Permissions Required, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2017/11/msg00018.htmlThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2017/12/msg00001.htmlThird Party Advisory
• https://www.debian.org/security/2017/dsa-4035Third Party Advisory
• https://www.debian.org/security/2017/dsa-4061Third Party Advisory
• https://www.debian.org/security/2017/dsa-4075Third Party 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/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

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