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CVE-2017-7826 Details

Description

Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

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)
https://access.redhat.com/errata/RHSA-2017:3247	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3372	CVE	Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1394530%2C1369561%2C1411458%2C1400003%2C1395138%2C1408412%2C1393840%2C1400763%2C1339259%2C1394265%2C1407740%2C1407751%2C1408005%2C1406398%2C1387799%2C1261175%2C1400554%2C1375146%2C1397811%2C1404636%2C1401804	CVE	Issue TrackingPermissions RequiredThird Party Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html	CVE	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html	CVE	Third Party Advisory
https://usn.ubuntu.com/3688-1/	CVE	Third Party Advisory
https://www.debian.org/security/2017/dsa-4035	CVE	Third Party Advisory
https://www.debian.org/security/2017/dsa-4061	CVE	Third Party Advisory
https://www.debian.org/security/2017/dsa-4075	CVE	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-24/	CVE	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-25/	CVE	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-26/	CVE	Vendor Advisory
http://www.securityfocus.com/bid/101832	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039803	CVE	Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:3247	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3372	[email protected]	Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1394530%2C1369561%2C1411458%2C1400003%2C1395138%2C1408412%2C1393840%2C1400763%2C1339259%2C1394265%2C1407740%2C1407751%2C1408005%2C1406398%2C1387799%2C1261175%2C1400554%2C1375146%2C1397811%2C1404636%2C1401804	[email protected]	Issue TrackingPermissions RequiredThird Party Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html	[email protected]	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3688-1/	[email protected]	Third Party Advisory
https://www.debian.org/security/2017/dsa-4035	[email protected]	Third Party Advisory
https://www.debian.org/security/2017/dsa-4061	[email protected]	Third Party Advisory
https://www.debian.org/security/2017/dsa-4075	[email protected]	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-24/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-25/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-26/	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/101832	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039803	[email protected]	Third Party AdvisoryVDB Entry

see all 28 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
debian debian linux	7.0 8.0 9.0
CPE 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:::::::* Remediation No remediation found in references.
redhat enterprise linux desktop	6.0 7.0
CPE 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	6.0 7.0
CPE 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	7.4
CPE cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::* Remediation No remediation found in references.
redhat enterprise linux server eus	7.4 7.5
CPE 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	6.0 7.0
CPE 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.
canonical ubuntu linux	17.10 18.04
CPE cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::* cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: Remediation No remediation found in references.
mozilla firefox	< 57.0 < 52.5.0
CPE cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.
mozilla thunderbird	< 52.5.0
CPE cpe:2.3:a:mozilla:thunderbird:::::::: Remediation No remediation found in references.

Change History

7 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 1, 2018	Initial Analysis	[email protected]
Jun 21, 2018	CVE Modified	[email protected]
Jun 13, 2018	CVE Modified	[email protected]

CVE-2017-7826 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

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CPE

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Change History

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