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CVE-2017-7819
CRITICAL
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.
Published: Jun 11, 2018
Modified: Jun 17, 2026
CWE-416
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (14)
| Vendor | Product | Version |
|---|---|---|
| redhat | enterprise_linux_desktop | 6.0 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_server | 6.0 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_server_aus | 7.4 |
| redhat | enterprise_linux_server_eus | 7.5 |
| redhat | enterprise_linux_workstation | 6.0 |
| redhat | enterprise_linux_workstation | 7.0 |
| debian | debian_linux | 7.0 |
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| mozilla | firefox | * < 52.4.0 |
| mozilla | firefox | * < 56.0 |
| mozilla | thunderbird | * < 52.4.0 |
GitHub Security Advisory GHSA-crj5-jxxg-27p8
A use-after-free vulnerability can occur in design mode when image objects are resized if objects...
References (24)
- http://www.securityfocus.com/bid/101055 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039465 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2831 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2885 Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1380292 Exploit, Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201803-14 Third Party Advisory
- https://www.debian.org/security/2017/dsa-3987 Third Party Advisory
- https://www.debian.org/security/2017/dsa-4014 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-21/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-22/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-23/ Vendor Advisory
- http://www.securityfocus.com/bid/101055 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039465 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2831 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
3.38%
Top 12% most likely to be exploited
Threat Score
40.2 / 100
Data Sources
NVD
EPSS
GitHub