peter bassill · operator
$ cve CVE-2017-5447 JSON

CVE-2017-5447 EXPLOIT

9.1
CRITICAL · CVSS 3.0 · EPSS 17.3% (pctl 97)

Patch early

A public exploit exists.

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.

Scoring

CVSS9.1 (CRITICAL, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS17.31% — more likely to be exploited than 97% of all CVEs
WeaknessCWE-416
On CISA KEVno
Public exploityes
Published2018-06-11
Last modified2026-06-17

Affected (9)

VendorProduct
debiandebian linux
mozillafirefox
mozillathunderbird
redhatenterprise linux
redhatenterprise linux desktop
redhatenterprise linux server
redhatenterprise linux server aus
redhatenterprise linux server eus
redhatenterprise linux workstation

Public exploits

SourceTitleDate
exploit-dbMozilla Firefox < 53 - 'gfxTextRun' Out-of-Bounds Read2017-05-25

References

→ the Explorer  ·  watch your stack  ·  NVD