CVE-2017-5447

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.

References

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

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

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

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

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

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

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

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

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

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

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

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3