CVE-2017-5447
CVSS v3
9.1
CRITICAL
EPSS Score
17.1 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2018-06-11
- Exploit-DB
- EDB-42071
Frequently asked questions
What is CVE-2017-5447?
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.
Is CVE-2017-5447 actively exploited?
Active exploitation of CVE-2017-5447 has not been confirmed. The EPSS score is 17.1%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-5447?
CVE-2017-5447 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2017-5447 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2017 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).