Critical severity9.8NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026

CVE-2017-7819

Description

A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mozilla Corporation/Firefoxv53 versions
unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <52.4.0
Mozilla Corporation/Thunderbirdv52 versions
unspecified+ 1 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <52.4.0
osv-coords42 versions
pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Package%20Hub%2012 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%206 pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%206 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweed pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 52.4.0esr-109.6.2+ 41 more
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-47.6.1
- (no CPE)range: < 52.4.0esr-72.13.2
- (no CPE)range: < 52.4.0esr-72.13.2
- (no CPE)range: < 3.29.5-47.6.1
- (no CPE)range: < 52.4.0esr-72.13.2
- (no CPE)range: < 52.4.0esr-72.13.2
- (no CPE)range: < 52.4.0esr-72.13.2
- (no CPE)range: < 3.29.5-47.6.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 3.29.5-47.6.1
- (no CPE)range: < 52.4.0-45.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 52.4.0esr-109.6.2
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 3.29.5-47.6.1
- (no CPE)range: < 52.4.0esr-72.13.2
- (no CPE)range: < 3.29.5-47.6.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 3.29.5-58.3.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 92.0-1.2
Red Hat/Enterprise Linux Desktop2 versions
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server2 versions
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server Aus
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Eus
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Workstation2 versions
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Debian/linux3 versions
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingPatch
www.securityfocus.com/bid/101055nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1039465nvdThird Party AdvisoryVDB Entry
access.redhat.com/errata/RHSA-2017:2831nvdThird Party Advisory
access.redhat.com/errata/RHSA-2017:2885nvdThird Party Advisory
lists.debian.org/debian-lts-announce/2017/11/msg00000.htmlnvdMailing ListThird Party Advisory
security.gentoo.org/glsa/201803-14nvdThird Party Advisory
www.debian.org/security/2017/dsa-3987nvdThird Party Advisory
www.debian.org/security/2017/dsa-4014nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2017-21/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2017-22/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2017-23/nvdVendor Advisory

News mentions

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