CVE-2017-5447

Published: Jun 11, 2018Modified: Nov 25, 2025

9.1

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploitability: 3.9 / Impact: 5.2

Source: NVD

Description

An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Affected (18)

Products: Debian: Debian Linux · Redhat: Enterprise Linux, Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Server Aus, Enterprise Linux Server Eus, Enterprise Linux Workstation · Mozilla: Firefox, Thunderbird

1 product

6 products

Enterprise Linux

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Server Eus

Enterprise Linux Workstation

2 products

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Configuration B

13 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux	Version 6.0
Redhat Enterprise Linux	Version 7.0
Redhat Enterprise Linux Desktop	Version 6.0
Redhat Enterprise Linux Desktop	Version 7.0
Redhat Enterprise Linux Server	Version 6.0
Redhat Enterprise Linux Server	Version 7.0
Redhat Enterprise Linux Server Aus	Version 7.3
Redhat Enterprise Linux Server Aus	Version 7.4
Redhat Enterprise Linux Server Eus	Version 7.3
Redhat Enterprise Linux Server Eus	Version 7.4
Redhat Enterprise Linux Server Eus	Version 7.5
Redhat Enterprise Linux Workstation	Version 6.0
Redhat Enterprise Linux Workstation	Version 7.0

Configuration C

4 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 45.9.0
Mozilla Firefox	Before 53.0
Mozilla Firefox	Version 52.0
Mozilla Thunderbird	Before 52.1.0

Related CWEs

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (24)

http://www.securityfocus.com/bid/97940

Source: security@mozilla.org

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1038320

Source: security@mozilla.org

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2017:1104

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:1106

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:1201

Source: security@mozilla.org

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1343552

Source: security@mozilla.org

ExploitIssue TrackingVendor Advisory

https://www.debian.org/security/2017/dsa-3831

Source: security@mozilla.org

Third Party Advisory

https://www.exploit-db.com/exploits/42071/

Source: security@mozilla.org

ExploitThird Party AdvisoryVDB Entry

https://www.mozilla.org/security/advisories/mfsa2017-10/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-11/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-12/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-13/

Source: security@mozilla.org

Vendor Advisory

http://www.securityfocus.com/bid/97940

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1038320

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2017:1104

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:1106

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:1201

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1343552

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingVendor Advisory

https://www.debian.org/security/2017/dsa-3831

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.exploit-db.com/exploits/42071/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party AdvisoryVDB Entry

https://www.mozilla.org/security/advisories/mfsa2017-10/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-11/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-12/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-13/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.