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CVE-2017-5396
CRITICAL
A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
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 (21)
| Vendor | Product | Version |
|---|---|---|
| debian | debian_linux | 8.0 |
| redhat | enterprise_linux | 5.0 |
| redhat | enterprise_linux | 6.0 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux_desktop | 5.0 |
| redhat | enterprise_linux_desktop | 6.0 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_server | 5.0 |
| 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 | 5.0 |
| redhat | enterprise_linux_workstation | 6.0 |
| redhat | enterprise_linux_workstation | 7.0 |
| mozilla | thunderbird | * < 45.7.0 |
| mozilla | firefox | * < 51.0 |
…and 1 more
GitHub Security Advisory GHSA-vq28-pr6f-gpm4
A use-after-free vulnerability in the Media Decoder when working with media files when some...
References (24)
- http://rhn.redhat.com/errata/RHSA-2017-0190.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0238.html Third Party Advisory
- http://www.securityfocus.com/bid/95769 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037693 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1329403 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201702-13 Third Party Advisory
- https://security.gentoo.org/glsa/201702-22 Third Party Advisory
- https://www.debian.org/security/2017/dsa-3771 Third Party Advisory
- https://www.debian.org/security/2017/dsa-3832 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-01/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-02/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-03/ Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0190.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0238.html Third Party Advisory
- http://www.securityfocus.com/bid/95769 Third Party Advisory, VDB Entry
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
4.06%
Top 10% most likely to be exploited
Threat Score
40.4 / 100
Data Sources
NVD
EPSS
GitHub