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CVE-2017-5396 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://rhn.redhat.com/errata/RHSA-2017-0190.html	CVE	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0238.html	CVE	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1329403	CVE	ExploitIssue TrackingPatchVendor Advisory
https://security.gentoo.org/glsa/201702-13	CVE	Third Party Advisory
https://security.gentoo.org/glsa/201702-22	CVE	Third Party Advisory
https://www.debian.org/security/2017/dsa-3771	CVE	Third Party Advisory
https://www.debian.org/security/2017/dsa-3832	CVE	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-01/	CVE	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-02/	CVE	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-03/	CVE	Vendor Advisory
http://www.securityfocus.com/bid/95769	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037693	CVE	Third Party AdvisoryVDB Entry
http://rhn.redhat.com/errata/RHSA-2017-0190.html	[email protected]	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0238.html	[email protected]	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1329403	[email protected]	ExploitIssue TrackingPatchVendor Advisory
https://security.gentoo.org/glsa/201702-13	[email protected]	Third Party Advisory
https://security.gentoo.org/glsa/201702-22	[email protected]	Third Party Advisory
https://www.debian.org/security/2017/dsa-3771	[email protected]	Third Party Advisory
https://www.debian.org/security/2017/dsa-3832	[email protected]	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-01/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-02/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-03/	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/95769	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037693	[email protected]	Third Party AdvisoryVDB Entry

see all 24 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
debian debian linux	8.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* Remediation No remediation found in references.
redhat enterprise linux	5.0 6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux:5.0:::::::* cpe:2.3:o:redhat:enterprise_linux:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux desktop	5.0 6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:::::::* cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server	5.0 6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_server:5.0:::::::* cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server aus	7.3 7.4
CPE cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:::::::* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::* Remediation No remediation found in references.
redhat enterprise linux server eus	7.3 7.4 7.5
CPE cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:::::::* cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:::::::* cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::* Remediation No remediation found in references.
redhat enterprise linux workstation	5.0 6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:::::::* cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::* Remediation No remediation found in references.
mozilla thunderbird	< 45.7.0
CPE cpe:2.3:a:mozilla:thunderbird:::::::: Remediation No remediation found in references.
mozilla firefox	< 51.0 < 45.7.0
CPE cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 25, 2025	CPE Deprecation Remap	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 2, 2018	Initial Analysis	[email protected]
Jun 13, 2018	CVE Modified	[email protected]

CVE-2017-5396 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

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Change History

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