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CVE-2017-5433
CRITICAL
A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
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 (18)
| Vendor | Product | Version |
|---|---|---|
| debian | debian_linux | 8.0 |
| redhat | enterprise_linux | 6.0 |
| redhat | enterprise_linux | 7.0 |
| 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 | 7.3 |
| redhat | enterprise_linux_server_aus | 7.4 |
| redhat | enterprise_linux_server_eus | 7.3 |
| redhat | enterprise_linux_server_eus | 7.4 |
| redhat | enterprise_linux_server_eus | 7.5 |
| redhat | enterprise_linux_workstation | 6.0 |
| redhat | enterprise_linux_workstation | 7.0 |
| mozilla | firefox | * < 45.9.0 |
| mozilla | firefox | * < 53.0 |
| mozilla | firefox | 52.0 |
| mozilla | thunderbird | * < 52.1.0 |
GitHub Security Advisory GHSA-3prh-hhv2-x5qr
A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation...
References (22)
- http://www.securityfocus.com/bid/97940 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1104 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1201 Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1347168 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.debian.org/security/2017/dsa-3831 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-10/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-11/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-12/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-13/ Vendor Advisory
- http://www.securityfocus.com/bid/97940 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1104 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
3.57%
Top 12% most likely to be exploited
Threat Score
40.3 / 100
Data Sources
NVD
EPSS
GitHub